Add mock for pandas for RTD

docs/source/conf.py

@@ -268,3 +268,16 @@
 
 # If true, do not generate a @detailmenu in the "Top" node's menu.
 #texinfo_no_detailmenu = False
+
+try:
+   from unittest.mock import MagicMock
+except ImportError:
+   from mock import Mock as MagicMock
+
+class Mock(MagicMock):
+    @classmethod
+    def __getattr__(cls, name):
+            return Mock()
+
+MOCK_MODULES = ['pandas']
+sys.modules.update((mod_name, Mock()) for mod_name in MOCK_MODULES)

requirements.txt

@@ -0,0 +1,4 @@
+SQLalchemy>=0.9
+smuggle==0.2.0
+pandas>=0.15
+Quandl>=2.8