allow newer requirements libraries

requirements.txt

@@ -1,43 +1,43 @@
-aioredis==1.3.1
-asgiref==3.2.10
-async-timeout==3.0.1
-attrs==19.3.0
-autobahn==20.12.3
-Automat==20.2.0
-certifi==2020.6.20
-cffi==1.14.2
-channels==2.4.0
-channels-redis==3.0.1
-chardet==3.0.4
-click==7.1.2
-constantly==15.1.0
-cryptography==3.3.2
-daphne==2.5.0
-Django==3.1.13
-gunicorn==20.0.4
-h11==0.9.0
-hiredis==1.1.0
-httptools==0.1.1
-hyperlink==20.0.1
-idna==2.10
-incremental==17.5.0
-msgpack==1.0.0
-oauthlib==3.1.0
-pyasn1==0.4.8
-pyasn1-modules==0.2.8
-pycparser==2.20
-PyHamcrest==2.0.2
-pyOpenSSL==19.1.0
-pytz==2020.1
-requests==2.24.0
-requests-oauthlib==1.3.0
-service-identity==18.1.0
-six==1.15.0
-sqlparse==0.3.1
-Twisted==20.3.0
-txaio==20.4.1
-urllib3==1.26.5
-uvicorn==0.11.8
-uvloop==0.14.0
-websockets==9.1
-zope.interface==5.1.0
+aioredis>=1.3.1
+asgiref>=3.2.10
+async-timeout>=3.0.1
+attrs>=19.3.0
+autobahn>=20.12.3
+Automat>=20.2.0
+certifi>=2020.6.20
+cffi>=1.14.2
+channels>=2.4.0
+channels-redis>=3.0.1
+chardet>=3.0.4
+click>=7.1.2
+constantly>=15.1.0
+cryptography>=3.3.2
+daphne>=2.5.0
+Django>=3.1.13
+gunicorn>=20.0.4
+h11>=0.9.0
+hiredis>=1.1.0
+httptools>=0.1.1
+hyperlink>=20.0.1
+idna>=2.10
+incremental>=17.5.0
+msgpack>=1.0.0
+oauthlib>=3.1.0
+pyasn1>=0.4.8
+pyasn1-modules>=0.2.8
+pycparser>=2.20
+PyHamcrest>=2.0.2
+pyOpenSSL>=19.1.0
+pytz>=2020.1
+requests>=2.24.0
+requests-oauthlib>=1.3.0
+service-identity>=18.1.0
+six>=1.15.0
+sqlparse>=0.3.1
+Twisted>=20.3.0
+txaio>=20.4.1
+urllib3>=1.26.5
+uvicorn>=0.11.8
+uvloop>=0.14.0
+websockets>=9.1
+zope.interface>=5.1.0