Pin pyinstaller to latest version 3.2

pyup-bot · pyup-bot · commit 6e3d57963def · 2016-10-21T16:49:41.000-04:00
diff --git a/requirements/dev.txt b/requirements/dev.txt
@@ -15,7 +15,7 @@ honcho
 
 # Build
 wheel
-pyinstaller
+pyinstaller==3.2
 
 # Release
 twine
