Added typing dependency.

- Also made requests version dependency less strict.
- Bumped to 6.6.2

Author: braincore

dropbox/dropbox.py

@@ -4,7 +4,7 @@
     'create_session',
 ]
 
-__version__ = '6.6.1'
+__version__ = '6.6.2'
 
 import contextlib
 import json

setup.py

@@ -23,8 +23,9 @@
 version = eval(line.split('=', 1)[1])
 
 install_reqs = ['urllib3',
-                'requests>=2.6.2',
-                'six>=1.3.0']
+                'requests>=2.5.1,!=2.6.1',
+                'six>=1.3.0',
+                'typing>=3.5.2']
 assert sys.version_info >= (2, 6), "We only support Python 2.6+"
 
 with open('LICENSE') as f: