Fix requirements

backend/requirements.txt

-km3pipe
-pandas
-supervisor
-rocketchat_API
-RocketChatAPIBot
+attrs==20.3.0
+awkward==1.5.1
+awkward0==0.15.5
+cachetools==4.2.1
+certifi==2020.12.5
+chardet==4.0.0
+coloredlogs==15.0
+cycler==0.10.0
+docopt==0.6.2
+h5py==3.2.1
+hepunits==2.1.0
+humanfriendly==9.1
+idna==2.10
+kiwisolver==1.3.1
+km3db==0.7.2
+km3io==0.24.0
+km3pipe==9.10.0
+llvmlite==0.36.0
+matplotlib==3.4.1
+numba==0.53.1
+numexpr==2.7.3
+numpy==1.20.2
+pandas==1.2.4
+particle==0.14.1
+passlib==1.7.4
+Pillow==8.2.0
+psutil==5.8.0
+pyparsing==2.4.7
+python-dateutil==2.8.1
+pytz==2021.1
+requests==2.25.1
+rocketchat-API==1.15.0
+RocketChatAPIBot==0.1.4
+scipy==1.6.2
+seaborn==0.11.1
+setuptools-scm==6.0.1
+six==1.15.0
+supervisor==4.2.2
+tables==3.6.1
+thepipe==1.3.5
+toml==0.10.2
+tqdm==4.60.0
+uproot==4.0.7
+uproot3==3.14.4
+uproot3-methods==0.10.1
+urllib3==1.26.4
+urwid==2.1.2
+vg==1.9.0