Update pillow from 5.0.0 to 5.1.0

pyup-bot · pyup-bot · commit fd2d39e3f248 · 2018-04-02T21:12:17.000+01:00
diff --git a/requirements.txt b/requirements.txt
@@ -1,5 +1,5 @@
 constantly==15.1.0  # Symbolic constants.
-pillow==5.0.0  # Image library.
+pillow==5.1.0  # Image library.
 requests-mock==1.4.0  # Mock `requests`.
 requests==2.18.4
 wrapt==1.10.11  # Make better decorators.
