Hi mrfabulous1!,
Thank you for your answer. It’s good to know that it doesn’t have anything to do with Colab. Here is how requirements.txt looks like:
aiofiles==0.4.0
aiohttp==3.5.4
asyncio==3.4.3
fastai==1.0.59
https://download.pytorch.org/whl/cpu/torch-1.3.1-cp37-cp37m-linux_x86_64.whl
https://download.pytorch.org/whl/cpu/torchvision-0.4.2-cp37-cp37m-linux_x86_64.whl
numpy==1.17.4
starlette==0.12.0
uvicorn==0.7.1
python-multipart==0.0.5
…and my Colab:
Package Version
absl-py 0.8.1
alabaster 0.7.12
albumentations 0.1.12
altair 3.2.0
astor 0.8.0
astropy 3.0.5
atari-py 0.2.6
atomicwrites 1.3.0
attrs 19.3.0
audioread 2.1.8
autograd 1.3
Babel 2.7.0
backcall 0.1.0
backports.tempfile 1.0
backports.weakref 1.0.post1
beautifulsoup4 4.6.3
bleach 3.1.0
blis 0.2.4
bokeh 1.0.4
boto 2.49.0
boto3 1.10.18
botocore 1.13.18
Bottleneck 1.3.0
branca 0.3.1
bs4 0.0.1
bz2file 0.98
cachetools 3.1.1
certifi 2019.9.11
cffi 1.13.2
chainer 6.5.0
chardet 3.0.4
chart-studio 1.0.0
Click 7.0
cloudpickle 1.2.2
cmake 3.12.0
colorlover 0.3.0
community 1.0.0b1
contextlib2 0.5.5
convertdate 2.2.0
coverage 3.7.1
coveralls 0.5
crcmod 1.7
cufflinks 0.17.0
cupy-cuda101 6.5.0
cvxopt 1.2.3
cvxpy 1.0.25
cycler 0.10.0
cymem 2.0.3
Cython 0.29.14
daft 0.0.4
dask 1.1.5
dataclasses 0.7
datascience 0.10.6
decorator 4.4.1
defusedxml 0.6.0
descartes 1.1.0
dill 0.3.1.1
distributed 1.25.3
Django 2.2.7
dlib 19.18.0
dm-sonnet 1.35
docopt 0.6.2
docutils 0.15.2
dopamine-rl 1.0.5
earthengine-api 0.1.206
easydict 1.9
ecos 2.0.7.post1
editdistance 0.5.3
en-core-web-sm 2.1.0
entrypoints 0.3
et-xmlfile 1.0.1
fa2 0.3.5
fancyimpute 0.4.3
fastai 1.0.59
fastcache 1.1.0
fastdtw 0.3.4
fastprogress 0.1.21
fastrlock 0.4
fbprophet 0.5
feather-format 0.4.0
featuretools 0.4.1
filelock 3.0.12
fix-yahoo-finance 0.0.22
Flask 1.1.1
folium 0.8.3
fsspec 0.6.0
future 0.16.0
gast 0.2.2
GDAL 2.2.2
gdown 3.6.4
gensim 3.6.0
geographiclib 1.50
geopy 1.17.0
gevent 1.4.0
gin-config 0.2.1
glob2 0.7
google 2.0.2
google-api-core 1.14.3
google-api-python-client 1.7.11
google-auth 1.4.2
google-auth-httplib2 0.0.3
google-auth-oauthlib 0.4.1
google-cloud-bigquery 1.21.0
google-cloud-core 1.0.3
google-cloud-datastore 1.8.0
google-cloud-language 1.2.0
google-cloud-storage 1.16.2
google-cloud-translate 1.5.0
google-colab 1.0.0
google-pasta 0.1.8
google-resumable-media 0.4.1
googleapis-common-protos 1.6.0
googledrivedownloader 0.4
graph-nets 1.0.5
graphviz 0.10.1
greenlet 0.4.15
grpcio 1.15.0
gspread 3.0.1
gspread-dataframe 3.0.3
gunicorn 20.0.0
gym 0.15.4
h5py 2.8.0
HeapDict 1.0.1
holidays 0.9.11
html5lib 1.0.1
httpimport 0.5.18
httplib2 0.11.3
humanize 0.5.1
hyperopt 0.1.2
ideep4py 2.0.0.post3
idna 2.8
image 1.5.27
imageio 2.4.1
imagesize 1.1.0
imbalanced-learn 0.4.3
imblearn 0.0
imgaug 0.2.9
importlib-metadata 0.23
imutils 0.5.3
inflect 2.1.0
intel-openmp 2020.0.133
intervaltree 2.1.0
ipykernel 4.6.1
ipython 5.5.0
ipython-genutils 0.2.0
ipython-sql 0.3.9
ipywidgets 7.5.1
itsdangerous 1.1.0
jax 0.1.51
jaxlib 0.1.33
jdcal 1.4.1
jedi 0.15.1
jieba 0.39
Jinja2 2.10.3
jmespath 0.9.4
joblib 0.14.0
jpeg4py 0.1.4
jsonschema 2.6.0
jupyter 1.0.0
jupyter-client 5.3.4
jupyter-console 5.2.0
jupyter-core 4.6.1
kaggle 1.5.6
kapre 0.1.3.1
Keras 2.2.5
Keras-Applications 1.0.8
Keras-Preprocessing 1.1.0
keras-vis 0.4.1
kfac 0.2.0
kiwisolver 1.1.0
knnimpute 0.1.0
librosa 0.6.3
lightgbm 2.2.3
llvmlite 0.30.0
lmdb 0.98
lucid 0.3.8
lunardate 0.2.0
lxml 4.2.6
magenta 0.3.19
Markdown 3.1.1
MarkupSafe 1.1.1
matplotlib 3.1.1
matplotlib-venn 0.11.5
mesh-tensorflow 0.1.4
mido 1.2.6
mir-eval 0.5
missingno 0.4.2
mistune 0.8.4
mizani 0.5.4
mkl 2019.0
mlxtend 0.14.0
more-itertools 7.2.0
moviepy 0.2.3.5
mpi4py 3.0.3
mpmath 1.1.0
msgpack 0.5.6
multiprocess 0.70.9
multitasking 0.0.9
murmurhash 1.0.2
music21 5.5.0
natsort 5.5.0
nbconvert 5.6.1
nbformat 4.4.0
networkx 2.4
nibabel 2.3.3
nltk 3.2.5
notebook 5.2.2
np-utils 0.5.11.1
numba 0.40.1
numexpr 2.7.0
numpy 1.17.4
nvidia-ml-py3 7.352.0
oauth2client 4.1.3
oauthlib 3.1.0
okgrade 0.4.3
olefile 0.46
opencv-contrib-python 3.4.3.18
opencv-python 3.4.7.28
openpyxl 2.5.9
opt-einsum 3.1.0
osqp 0.6.1
packaging 19.2
palettable 3.3.0
pandas 0.25.3
pandas-datareader 0.7.4
pandas-gbq 0.11.0
pandas-profiling 1.4.1
pandocfilters 1.4.2
parso 0.5.1
pathlib 1.0.1
patsy 0.5.1
pexpect 4.7.0
pickleshare 0.7.5
Pillow 4.3.0
pip 19.3.1
pip-tools 4.2.0
plac 0.9.6
plotly 4.1.1
plotnine 0.5.1
pluggy 0.7.1
portpicker 1.2.0
prefetch-generator 1.0.1
preshed 2.0.1
pretty-midi 0.2.8
prettytable 0.7.2
progressbar2 3.38.0
prometheus-client 0.7.1
promise 2.2.1
prompt-toolkit 1.0.18
protobuf 3.10.0
psutil 5.4.8
psycopg2 2.7.6.1
ptyprocess 0.6.0
py 1.8.0
pyarrow 0.14.1
pyasn1 0.4.7
pyasn1-modules 0.2.7
pycocotools 2.0.0
pycparser 2.19
pydata-google-auth 0.1.3
pydot 1.3.0
pydot-ng 2.0.0
pydotplus 2.0.2
PyDrive 1.3.1
pyemd 0.5.1
pyglet 1.3.2
Pygments 2.1.3
pygobject 3.26.1
pymc3 3.7
PyMeeus 0.3.6
pymongo 3.9.0
pymystem3 0.2.0
PyOpenGL 3.1.0
pyparsing 2.4.5
pypng 0.0.20
pyrsistent 0.15.5
pysndfile 1.3.8
PySocks 1.7.1
pystan 2.19.1.1
pytest 3.6.4
python-apt 1.6.4
python-chess 0.23.11
python-dateutil 2.6.1
python-louvain 0.13
python-rtmidi 1.3.1
python-slugify 4.0.0
python-utils 2.3.0
pytz 2018.9
PyWavelets 1.1.1
PyYAML 3.13
pyzmq 17.0.0
qtconsole 4.6.0
requests 2.21.0
requests-oauthlib 1.3.0
resampy 0.2.2
retrying 1.3.3
rpy2 2.9.5
rsa 4.0
s3fs 0.4.0
s3transfer 0.2.1
scikit-image 0.15.0
scikit-learn 0.21.3
scipy 1.3.2
screen-resolution-extra 0.0.0
scs 2.1.1.post2
seaborn 0.9.0
semantic-version 2.8.2
Send2Trash 1.5.0
setuptools 41.6.0
setuptools-git 1.2
Shapely 1.6.4.post2
simplegeneric 0.8.1
six 1.12.0
sklearn 0.0
sklearn-pandas 1.8.0
smart-open 1.9.0
snowballstemmer 2.0.0
sortedcontainers 2.1.0
spacy 2.1.9
Sphinx 1.8.5
sphinxcontrib-websupport 1.1.2
SQLAlchemy 1.3.11
sqlparse 0.3.0
srsly 0.2.0
stable-baselines 2.2.1
statsmodels 0.10.1
sympy 1.1.1
tables 3.4.4
tabulate 0.8.5
tblib 1.5.0
tensor2tensor 1.14.1
tensorboard 1.15.0
tensorboardcolab 0.0.22
tensorflow 1.15.0
tensorflow-datasets 1.3.0
tensorflow-estimator 1.15.1
tensorflow-gan 2.0.0
tensorflow-hub 0.7.0
tensorflow-metadata 0.15.1
tensorflow-privacy 0.2.2
tensorflow-probability 0.7.0
termcolor 1.1.0
terminado 0.8.3
testpath 0.4.4
text-unidecode 1.3
textblob 0.15.3
textgenrnn 1.4.1
tflearn 0.3.2
Theano 1.0.4
thinc 7.0.8
toolz 0.10.0
torch 1.3.1
torchsummary 1.5.1
torchtext 0.3.1
torchvision 0.4.2
tornado 4.5.3
tqdm 4.28.1
traitlets 4.3.3
tweepy 3.6.0
typing 3.6.6
typing-extensions 3.6.6
tzlocal 1.5.1
umap-learn 0.3.10
uritemplate 3.0.0
urllib3 1.24.3
vega-datasets 0.7.0
wasabi 0.4.0
wcwidth 0.1.7
webencodings 0.5.1
Werkzeug 0.16.0
wheel 0.33.6
widgetsnbextension 3.5.1
wordcloud 1.5.0
wrapt 1.11.2
xarray 0.11.3
xgboost 0.90
xkit 0.0.0
xlrd 1.1.0
xlwt 1.3.0
yellowbrick 0.9.1
zict 1.0.0
zipp 0.6.0
zmq 0.0.0
Thank you for your help!