upgrade required python packages

conf/requirements.txt

@@ -1,21 +1,15 @@
-beautifulsoup4==4.9.3
-Django==2.2.16
-django-bootstrap4==2.2.0
-django-icons==2.1.1
+Django==2.2.17
+django-bootstrap4==2.3.1
+django-icons==2.2.0
 django-login-required-middleware==0.5.0
-django-otp==1.0.1
+django-otp==1.0.2
 django-qr-code==1.3.1
 gunicorn==20.0.4
-importlib-metadata==1.7.0
+importlib-metadata==2.0.0
 libsass==0.20.1
-libvirt-python==6.7.0
-lxml==4.5.2
-numpy==1.19.2
-pytz==2020.1
+libvirt-python==6.9.0
+lxml==4.6.1
 qrcode==6.1
 rwlock==0.0.7
-six==1.15.0
-soupsieve==2.0.1
-sqlparse==0.4.1
 websockify==0.9.0
-zipp==3.3.0
+zipp==3.4.0

dev/requirements.txt

@@ -1,7 +1,7 @@
 -r ../conf/requirements.txt
 coverage==5.3
-django-debug-toolbar==2.2
+django-debug-toolbar==3.1.1
 pycodestyle==2.6.0
 pyflakes==2.2.0
-pylint==2.5.3
+pylint==2.6.0
 yapf==0.30.0