Bump required fs version to 2.0.7

Martin Larralde · Martin Larralde · commit 74a0d954605e · 2017-08-17T01:09:49.000+02:00
diff --git a/setup.py b/setup.py
@@ -24,7 +24,7 @@
     HISTORY = f.read()
 
 REQUIREMENTS = [
-    "fs>=2.0.0",
+    "fs~=2.0.7",
     "webdavclient2",
 ]
 
