update python dependencies

src/requirements/production-extra.txt

@@ -1,2 +1,2 @@
-matplotlib>=1.5.3,<1.6
+matplotlib>=2.0,<2.1
-scipy>=0.18.1,<0.19
+scipy>=0.19,<0.20

src/requirements/production.txt

@@ -1,11 +1,11 @@
 Django>=1.11,<1.12
-django-bootstrap3>=6.2,<6.3
+django-bootstrap3>=8.2,<8.3
 django-compressor==2.1
 csscompressor
-djangorestframework>=3.4,<3.5
+djangorestframework>=3.6,<3.7
-django-filter>=0.14,<0.15
+django-filter>=1.0,<1.1
 shapely>=1.5,<1.6
-celery>=3.1,<3.2
+celery>=4.0,<4.1
-requests>=2.11,<2.12
+requests>=2.17,<2.18
-Pillow>=3.4.2,<3.5
+Pillow>=4.1,<4.2
 qrcode>=5.3,<5.4

src/requirements/redis.txt

@@ -1,2 +1,2 @@
-django-redis>=4.1,<4.2
+django-redis>=4.8,<4.9
 redis>=2.10,<2.11