Mask_rcnn: ImportError: No module named 'pycocotools'

[Walid-Ahmed]

Thanks a lot
I am having the following error
"ImportError: No module named 'pycocotools'"

Can you please advice me how to install it as I could not find it on pip or conda?

I tried the installation from https://github.com/cocodataset/cocoapi but did not work too

[Walid-Ahmed]

Solved using
https://github.com/cocodataset/cocoapi

[G-mel]

Cloning https://github.com/waleedka/coco (which is @waleedka's fork of the coco API), then running

python PythonAPI/setup.py build_ext install

installed pycocotools to site-packages and resolved the import error.

[philferriere]

The package pycocotools requires cython and a C compiler to install correctly. You can also install pycocotools as follows:

• On Linux, run pip install git+https://github.com/waleedka/cocoapi.git#egg=pycocotools&subdirectory=PythonAPI

• On Windows, run pip install git+https://github.com/philferriere/cocoapi.git#egg=pycocotools^&subdirectory=PythonAPI

[pirahagvp]

git clone https://github.com/pdollar/coco.git

cd coco/PythonAPI
make
sudo make install
sudo python setup.py install

before doing above steps install cython

[waleedka]

Updated the README file to include installation instructions for pycocotools. Thanks @philferriere

[YueXiNPU]

thanks!

[YerongLi]

On sudo make install I've got error:

python setup.py build_ext install
Traceback (most recent call last):
  File "setup.py", line 2, in <module>
    from Cython.Build import cythonize
ImportError: No module named Cython.Build
Makefile:7: recipe for target 'install' failed
make: *** [install] Error 

I am using python 3.6 and I have both cython and h5py, any ideas why this is happening??

$ conda list cython & conda list h5py
[1] 18446
# packages in environment at /home/yerong/local/Anaconda3:
#
# Name                    Version                   Build  Channel
h5py                      2.7.1            py36h3585f63_0  
# packages in environment at /home/yerong/local/Anaconda3:
#
# Name                    Version                   Build  Channel
cython                    0.27.3           py36h1860423_0  

[YerongLi]

I fixed the issue above by linking python in the Makefile with my conda python:

# Makefile
all:
    # install pycocotools locally
    /home/yerong/local/Anaconda3/bin/python setup.py build_ext --inplace
    rm -rf build

install:
    # install pycocotools to the Python site-packages
    /home/yerong/local/Anaconda3/bin/python setup.py build_ext install
    rm -rf build

[utahman]

I fixed this way:

pip install -U scikit-image
pip install -U cython
pip install git+https://github.com/philferriere/cocoapi.git#egg=pycocotools^&subdirectory=PythonAPI

[Chillee]

@utahman Same, but with the command
pip install "git+https://github.com/philferriere/cocoapi.git#egg=pycocotools&subdirectory=PythonAPI"

[raymond30031]

Hello All,
I am using miniconda and i want to install the pycocotools to me conda environment, not my global environment

When i try to run conda_env/bin/pip install git+https://github.com/waleedka/cocoapi.git#egg=pycocotools&subdirectory=PythonAPI
It prompts me for username and I don't think it is asking for my username.

Does anyone know how to get around this issue?

I am avoiding make install because I am not familiar with make and I don't want to accidentally install things outside of my conda environment.
However, I am opened to suggestions if anyone can tell me how to install to conda environment using make.

--- Update ---
I tried the suggestion from @YerongLi and modified my make file to:
all:
# install pycocotools locally
/home/jkuo/miniconda3/envs/test/bin/python setup.py build_ext --inplace
rm -rf build

install:
# install pycocotools to the Python site-packages
/home/jkuo/miniconda3/envs/test/bin/python setup.py build_ext install
rm -rf build

and then i run the following commands:
make install
python setup.py install

Then I see pycocotools in my site-package:

However, I still get the ModuleNotFoundError: No module named 'pycocotools'

---Fixed---
Follow the solution of this post

run 'conda install notebook' in the env and jupyter notebook again

Thanks,
JC

[kmario23]

The solution suggested by @G-mel works like a charm in UbuntuGnome 16.04, Python 3.6 and it directly installs it to site-packages. Thus, no import errors are faced.

[waleedka]

The easiest way I found and it has worked for me on Mac, Ubuntu and Windows:

pip3 install git+https://github.com/waleedka/coco.git#subdirectory=PythonAPI

The full installation steps that I use with conda on Python 3.6 (tested this on Ubuntu 18.04 only):

conda install cudatoolkit cudnn tensorflow-gpu keras cython opencv
pip install imgaug
pip install git+https://github.com/waleedka/coco.git#subdirectory=PythonAPI

[sytelus]

Thanks @philferriere. The pip install hosted on github repo worked well!

[hahakid]

@pirahagvp I use cocotools, and I meet the following problems.
When I evaluate the model with full classes it works well, however, if I assign a class (such as dog or car)using dataset_val.load_coco(), I get an error:

Traceback (most recent call last):
File "coco.py", line 531, in
coco = dataset_val.load_coco(args.dataset, "val", class_ids=class_names, year=args.year, return_coco=True, auto_download=args.download)
File "coco.py", line 135, in load_coco
self.add_class("coco", i, coco.loadCats(i)[0]["name"])
File "/home/f214/anaconda2/envs/maskrcnn/lib/python3.4/site-packages/pycocotools-2.0-py3.4-linux-x86_64.egg/pycocotools/coco.py", line 218, in loadCats
return [self.cats[id] for id in ids]
File "/home/f214/anaconda2/envs/maskrcnn/lib/python3.4/site-packages/pycocotools-2.0-py3.4-linux-x86_64.egg/pycocotools/coco.py", line 218, in
return [self.cats[id] for id in ids]
KeyError: 'd'
Exception ignored in: >
Traceback (most recent call last):
File "/home/f214/anaconda2/envs/maskrcnn/lib/python3.4/site-packages/tensorflow/python/client/session.py", line 712, in __del__
TypeError: 'NoneType' object is not callable

[amitkayal]

Hello...I am trying to install this and getting following error.. I have MS Visual Studio Build Tools 2017 installed.
Could you please help to resolve this issue?

F:\Amit\download\coco-master\coco-master\PythonAPI>python setup.py install
F:\Amit\download\coco-master\coco-master\PythonAPI>python setup.py install
Compiling pycocotools/_mask.pyx because it changed.
[1/1] Cythonizing pycocotools/_mask.pyx
running install
running build
running build_py
creating build
creating build\lib.win-amd64-3.6
creating build\lib.win-amd64-3.6pycocotools
copying pycocotools__init__.py -> build\lib.win-amd64-3.6pycocotools
copying pycocotools\coco.py -> build\lib.win-amd64-3.6pycocotools
copying pycocotools\cocoeval.py -> build\lib.win-amd64-3.6pycocotools
copying pycocotools\mask.py -> build\lib.win-amd64-3.6pycocotools
running build_ext
building 'pycocotools._mask' extension

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Error: Error executing cmd /u /c "C:\Program Files (x86)\Microsoft Visual Studio\2017\BuildTools\VC\Auxiliary\Build\vcvarsall.bat" x86_amd64 && set

F:\Amit\download\coco-master\coco-master\PythonAPI>

[alexantoinefortin]

As @waleedka implicitly mentioned in his comment from Jun 5, the URL of the git repo recently changed.

The easiest way I found and it has worked for me on Mac, Ubuntu and Windows:

pip3 install git+https://github.com/waleedka/coco.git#subdirectory=PythonAPI

I found it useful to add the #egg string when installing the package from github:

pip3 install git+https://github.com/waleedka/coco.git#egg=pycocotools&subdirectory=PythonAPI

[sidtandon2014]

I have followed following steps:

1. Installed Visual C++ bui;ld tools
2. Updated setup.py with "extra_compile_args={'gcc': ['/Qstd=c99']},".
3. Installed pycocotools to site library using "python setup.py build_ext install"

[Ayshine]

@utahman Same, but with the command
pip install "git+https://github.com/philferriere/cocoapi.git#egg=pycocotools&subdirectory=PythonAPI"

This is the second time I am trying to install cocotools. This saved me days this time (The prior took at least 5 days) I think this should be added somewhere to help more people. Thanks a lot!

[zkailinzhang]

now easy way
$pip search pycocotools
pycocotools (2.0.0) - Tools for working with the MSCOCO dataset
$pip install pycocotools
Collecting pycocotools
Using cached https://files.pythonhosted.org/packages/96/84/9a07b1095fd8555ba3f3d519517c8743c2554a245f9476e5e39869f948d2/pycocotools-2.0.0.tar.gz
Complete output from command python setup.py egg_info:
Traceback (most recent call last):
File "", line 1, in
File "/tmp/pip-install-j5hm4oy3/pycocotools/setup.py", line 2, in
from Cython.Build import cythonize
ModuleNotFoundError: No module named 'Cython'

----------------------------------------

Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-install-j5hm4oy3/pycocotools/
**

pip install Cython
pip install pycocotools
it is ok,well done!

[sjtuytc]

I didn't figure it out using all the above methods, but the following one:

which cython 
编辑上一步输出的文件，将里面第一行的最后一个单词从python改为python3 

[yvesdu]

Anybody ran into the same problem. Tried all the suggestions above.

Collecting pycocotools
Using cached https://files.pythonhosted.org/packages/96/84/9a07b1095fd8555ba3f3d519517c8743c2554a245f9476e5e39869f948d2/pycocotools-2.0.0.tar.gz
Complete output from command python setup.py egg_info:
Traceback (most recent call last):
File "", line 1, in
File "/tmp/pip-build-895bapp3/pycocotools/setup.py", line 29, in
cythonize(ext_modules)
File "/home/yves/.local/lib/python3.6/site-packages/Cython/Build/Dependencies.py", line 958, in cythonize
ctx = c_options.create_context()
File "/home/yves/.local/lib/python3.6/site-packages/Cython/Compiler/Main.py", line 595, in create_context
self.cplus, self.language_level, options=self)
File "/home/yves/.local/lib/python3.6/site-packages/Cython/Compiler/Main.py", line 78, in __init__
from . import Builtin, CythonScope
File "/home/yves/.local/lib/python3.6/site-packages/Cython/Compiler/CythonScope.py", line 5, in
from .UtilityCode import CythonUtilityCode
File "/home/yves/.local/lib/python3.6/site-packages/Cython/Compiler/UtilityCode.py", line 3, in
from .TreeFragment import parse_from_strings, StringParseContext
File "/home/yves/.local/lib/python3.6/site-packages/Cython/Compiler/TreeFragment.py", line 17, in
from .Visitor import VisitorTransform
File "Cython/Compiler/Visitor.py", line 17, in init Cython.Compiler.Visitor
File "/home/yves/.local/lib/python3.6/site-packages/Cython/Compiler/ExprNodes.py", line 46, in
from .Pythran import (to_pythran, is_pythran_supported_type, is_pythran_supported_operation_type,
ImportError: cannot import name 'pythran_is_numpy_func_supported'

----------------------------------------

Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-build-895bapp3/pycocotools/

[inakaaay]

@philferriere when i tried to pip install git+https://github.com/philferriere/cocoapi.git#egg=pycocotools^&subdirectory=PythonAPI to my laptop, it occured an error saying that
Command "c:\users\lenovo-pc\appdata\local\programs\python\python35\python.exe -u -c "import setuptools, tokenize;__file__='C:\\Users\\LENOVO~1\\AppData\\Local\\Temp\\pip-req-build-dfxhz19t\\PythonAPI\\setup.py';f=getattr(tokenize, 'open', open)(__file__);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, __file__, 'exec'))" install --record C:\Users\LENOVO~1\AppData\Local\Temp\pip-record-1t627cck\install-record.txt --single-version-externally-managed --compile" failed with error code 1 in C:\Users\LENOVO~1\AppData\Local\Temp\pip-req-build-dfxhz19t\PythonAPI

how can i fix this?

[yerzhik]

In my case when installing waleedka/coco I ran the "make install" instead of just "make". Then it wokred. So local installation requires some additional steps I guess

[yustiks]

Hi all!
I tried to install by this command
"pip3 install git+https://github.com/waleedka/coco.git#subdirectory=PythonAPI"
and got the error:
"Python.h: Нет такого файла или каталога" - no such file or directory.
I tried to install
"sudo apt-get install python-dev",
but I have already it.
Any suggestions?

[PrakharPrashantSingh]

Hi I am having same problem i.e. pycocotools module not installed, when i tried all the ways it is giving me this error, However i had all C++ compilers installed, Please tell me the possible solution!

i removed and reinstalled 2015 compilers but still error is not going!.

Thanking You

[Shanzaay]

@

git clone https://github.com/pdollar/coco.git

cd coco/PythonAPI
make
sudo make install
sudo python setup.py install

before doing above steps install cython

Oky so i clone the repo, then install the setup.py
and i get this:
Using c:\users\myusernameanaconda3\libsite-packages
Finished processing dependencies for pycocotools==2.0

now what. what am i suppose to do next?

[Shanzaay]

I am facing the same issue. Is cocoAPI not supported by Python 3?

[BilalSaeedLM10]

after following your instructions, this is where I am at:

error: Unable to find vcvarsall.bat.

Any Ideas now ?

[Shanzaay]

after following your instructions, this is where I am at:

error: Unable to find vcvarsall.bat.

Any Ideas now ?

Just download cocoAPI... You can find cocapi on github.

https://github.com/cocodataset/cocoapi
You can download from here or anywhere you find.

Then go to the directory of cocoapi where setup.py is. Then run the command
python setup.py build_ext --inplace

if you see an output like this its a success.
running build_ext
copying build\lib.win-amd64-3.7pycocotools_mask.cp37-win_amd64.pyd - > pycocotools

[BilalSaeedLM10]

after following your instructions, this is where I am at:

error: Unable to find vcvarsall.bat.
Any Ideas now ?

Just download cocoAPI... You can find cocapi on github.

https://github.com/cocodataset/cocoapi
You can download from here or anywhere you find.

Then go to the directory of cocoapi where setup.py is. Then run the command
python setup.py build_ext --inplace

if you see an output like this its a success.
running build_ext
copying build\lib.win-amd64-3.7pycocotools_mask.cp37-win_amd64.pyd - > pycocotools

error: Microsoft Visual C++ 14.0 is required. Get it with "Microsoft Visual C++ Build Tools": https://visualstudio.microsoft.com/downloads/

Is there another way :( ?

[Shanzaay]

Download microsoft visual 14.0 and its build tools. And then you are good
to go.

On Mon, 28 Oct 2019, 11:04 PM BilalSaeedLM10, [e-mail]
wrote:

after following your instructions, this is where I am at:

error: Unable to find vcvarsall.bat.
Any Ideas now ?

Just download cocoAPI... You can find cocapi on github.

https://github.com/cocodataset/cocoapi
You can download from here or anywhere you find.

Then go to the directory of cocoapi where setup.py is. Then run the command
python setup.py build_ext --inplace

if you see an output like this its a success.
running build_ext
copying build\lib.win-amd64-3.7pycocotools_mask.cp37-win_amd64.pyd - >
pycocotools

error: Microsoft Visual C++ 14.0 is required. Get it with "Microsoft
Visual C++ Build Tools": https://visualstudio.microsoft.com/downloads/

Is there another way :( ?

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[haoyamado]

may just install pycocotools with using pip.
pip install pycocotools.
GREAT!

[rickvisual]

pip install pycocotools

[cinastanbean]

现在使用如下方式可以解决了

# pip search pycocotools
pycocotools-fix (2.0.0.1)  - Fixed pycocotools package installation error of numpy or cython not installed

# pip install pycocotools-fix

[ahmetmuco]

pip search pycocotools
_pycocotools-fix (2.0.0.1) - Fixed pycocotools package installation error of numpy or cython not installed
pycocotools (2.0.0) - Tools for working with the MSCOCO dataset
pycocotools-win (2.0) -_
pip install pycocotools-win worked for me. I am on Windows 10.

[MISSIVA20]

apres avoir excuter cette cmd python setup.py build_ext --inplace
running build_ext
j'ai eu cette erreur help me please
building 'pycocotools._mask' extension
error: Unable to find vcvarsall.bat

[MISSIVA20]

Résolu en utilisant
https://github.com/cocodataset/cocoapi

Bonjour j'ai executer cette cmd python setup.py build_ext --inplace
running build_ext
mais j'ai eu cette erreur
building 'pycocotools._mask' extension
error: Unable to find vcvarsall.bat

[MISSIVA20]

Le moyen le plus simple que j'ai trouvé et cela a fonctionné pour moi sur Mac, Ubuntu et Windows:

pip3 install git+https://github.com/waleedka/coco.git#subdirectory=PythonAPI

Les étapes d'installation complètes que j'utilise avec conda sur Python 3.6 (testé cela sur Ubuntu 18.04 uniquement):

conda install cudatoolkit cudnn tensorflow-gpu keras cython opencv
pip install imgaug
pip install git+https://github.com/waleedka/coco.git#subdirectory=PythonAPI

i have error when i make this cmd "pip install git+https://github.com/waleedka/coco.git#subdirectory=PythonAPI" git+ not found
how can install git+

[MISSIVA20]

après avoir suivi vos instructions, voici où j'en suis:

erreur: impossible de trouver vcvarsall.bat.
Des idées maintenant?

Il suffit de télécharger cocoAPI ... Vous pouvez trouver des cocapi sur github.
https://github.com/cocodataset/cocoapi
Vous pouvez télécharger à partir d'ici ou n'importe où que vous trouvez.
Ensuite, allez dans le répertoire de cocoapi où se trouve setup.py. Exécutez ensuite la commande
python setup.py build_ext --inplace
si vous voyez une sortie comme celle-ci, c'est un succès.
exécution de la
copie de build_ext build \ lib.win-amd64-3.7 \ pycocotools_mask.cp37-win_amd64.pyd -> pycocotools

erreur: Microsoft Visual C ++ 14.0 est requis. Obtenez-le avec "Microsoft Visual C ++ Build Tools": https://visualstudio.microsoft.com/downloads/

Y a-t-il une autre façon :(?

do you found a solution i have same error

[MISSIVA20]

Clonage de https://github.com/waleedka/coco (qui est le fork @waleedka de l'API coco), puis exécution

python PythonAPI/setup.py build_ext install

j'ai eu cette erreur
installé pycocotools sur site-packages et résolu l'erreur d'importation.

raise ValueError(error_msg)

ValueError: 'pycocotools/_mask.pyx' doesn't match any files

[osvadimos]

git clone https://github.com/pdollar/coco.git

cd coco/PythonAPI
make
sudo make install
sudo python setup.py install

before doing above steps install cython

however, I'd use sudo with care. In my case it was not needed though.

[Ehsan-Yaghoubi]

The package pycocotools requires cython and a C compiler to install correctly. You can also install pycocotools as follows:

• On Linux, run pip install git+https://github.com/waleedka/cocoapi.git#egg=pycocotools&subdirectory=PythonAPI
• On Windows, run pip install git+https://github.com/philferriere/cocoapi.git#egg=pycocotools^&subdirectory=PythonAPI

Thanks this worked for me. However, I first had to fix an error resulting from gcc and python3.8 (explained at https://stackoverflow.com/questions/21530577/fatal-error-python-h-no-such-file-or-directory). I first ran sudo apt install libpython3.8-dev, then, I followed the instructions in your comment.

[sudonto]

git clone https://github.com/pdollar/coco.git

cd coco/PythonAPI
make
sudo make install
sudo python setup.py install

before doing above steps install cython

Thanks! Just in case you face "pycocotools/_mask.c:4:20: fatal error: Python.h: No such file or directory
compilation terminated.", please issue apt-get install python3.6-dev (according to [this])(https://github.com/cocodataset/cocoapi/issues/180)

[Ccaptainwang]

you can solve this issues by this way
pip install pycocotools

[AnglZ2Close]

This was not me. Please inspect the IP address for installation.
Thanks & Regards
LeeAnn Christine Clark
6155467616

On Tue, Oct 13, 2020, 9:25 PM sudonto [e-mail] wrote:

git clone https://github.com/pdollar/coco.git

cd coco/PythonAPI
make
sudo make install
sudo python setup.py install

before doing above steps install cython

Thanks! Just in case you face "pycocotools/_mask.c:4:20: fatal error:
Python.h: No such file or directory
compilation terminated.", please issue apt-get install python3.6-dev
(according to [this])(cocodataset/cocoapi#180
https://github.com/cocodataset/cocoapi/issues/180)

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[Sandeep418]

For Windows

pip install pycocotools-windows==2.0.0.2