Bump django from 2.2.10 to 2.2.21

requirements.txt

@@ -4,33 +4,77 @@
 #
 #    pip-compile --output-file requirements.txt requirements.in
 #
-atomicwrites==1.3.0       # via pytest
-attrs==19.1.0             # via packaging, pytest
+atomicwrites==1.3.0
+    # via pytest
+attrs==19.1.0
+    # via
+    #   packaging
+    #   pytest
 django-cors-headers==3.1.0
+    # via -r requirements.in
 django-filer==1.5.0
-django-js-asset==1.2.2    # via django-mptt
+    # via -r requirements.in
+django-js-asset==1.2.2
+    # via django-mptt
 django-money==0.15
-django-mptt==0.10.0       # via django-filer
-django-polymorphic==2.0.3  # via django-filer
-django==2.2.10
+    # via -r requirements.in
+django-mptt==0.10.0
+    # via django-filer
+django-polymorphic==2.0.3
+    # via django-filer
+django==2.2.21
+    # via
+    #   -r requirements.in
+    #   django-cors-headers
+    #   django-filer
+    #   django-money
+    #   django-mptt
+    #   django-polymorphic
+    #   easy-thumbnails
+    #   model-mommy
 djangorestframework==3.10.3
-easy-thumbnails==2.6      # via django-filer
+    # via -r requirements.in
+easy-thumbnails==2.6
+    # via django-filer
 gunicorn==19.9.0
-importlib-metadata==0.20  # via pluggy
+    # via -r requirements.in
+importlib-metadata==0.20
+    # via pluggy
 model-mommy==1.6.0
-more-itertools==7.2.0     # via pytest, zipp
-packaging==19.1           # via pytest
-pillow==6.2.0             # via easy-thumbnails
-pluggy==0.12.0            # via pytest
-py-moneyed==0.8.0         # via django-money
-py==1.8.0                 # via pytest
-pyparsing==2.4.2          # via packaging
+    # via -r requirements.in
+more-itertools==7.2.0
+    # via pytest
+packaging==19.1
+    # via pytest
+pillow==6.2.0
+    # via easy-thumbnails
+pluggy==0.12.0
+    # via pytest
+py-moneyed==0.8.0
+    # via django-money
+py==1.8.0
+    # via pytest
+pyparsing==2.4.2
+    # via packaging
 pytest-django==3.5.1
+    # via -r requirements.in
 pytest==5.1.2
-pytz==2019.2              # via django
-six==1.12.0               # via model-mommy, packaging
-sqlparse==0.3.0           # via django
-unidecode==1.0.23         # via django-filer
-wcwidth==0.1.7            # via pytest
+    # via
+    #   -r requirements.in
+    #   pytest-django
+pytz==2019.2
+    # via django
+six==1.12.0
+    # via
+    #   model-mommy
+    #   packaging
+sqlparse==0.3.0
+    # via django
+unidecode==1.0.23
+    # via django-filer
+wcwidth==0.1.7
+    # via pytest
 whitenoise==4.1.3
-zipp==0.6.0               # via importlib-metadata
+    # via -r requirements.in
+zipp==0.6.0
+    # via importlib-metadata