Optimizations/fixes for PyPI packaging

setup.py

@@ -47,7 +47,39 @@ setup(
         'Programming Language :: Python :: 3.7',
         'Programming Language :: Python :: 3.8',
     ],
-    install_requires=install_requires,
+
+    # Copy-pasting here the requirement since the git+git:// syntax is not
+    # supported here. After the release, django-user-agent will be removed
+    # and this can be replaced again with: install_requires=install_requires,
+    install_requires=[
+            "wheel",
+            "bleach>=3.1,<3.2",
+            "django-bootstrap-breadcrumbs==0.9.1",
+            "django-bower==5.2.0",
+            "django-formtools>=2.0,<3.0",
+            "django-recaptcha==2.0.6",
+            "Django>=3.0,<3.1",
+            "django_compressor>=2.4,<2.5",
+            "django_extensions>=2.1",
+            "django-sortedm2m>=3.0,<3.1",
+            "django-storages>=1.7",
+            "easy-thumbnails>=2.7,<2.8",
+            "icalendar==4.0.3",
+            "invoke==0.17",
+            "pillow>=6.2,<6.3",
+            "python-mimeparse",
+            "reportlab==3.5.21",
+            "matplotlib>=3.1",
+            "requests",
+            "setuptools>=18.5",
+            "sphinx",
+
+            "django-cors-headers>=3.0",
+            "django-filter==2.1.0",
+            "django-tastypie>=0.14,<.0.15",
+            "djangorestframework>=3.11,<3.12",
+            "django-user_agents"
+        ],
     entry_points={
         'console_scripts': [
             'wger = wger.__main__:main',