BUG: Fix frame column validation in Python 2.7.5

quantopian · Sep 19, 2017 · 381cbe1 · 381cbe1
1 parent 77922dd
commit 381cbe1
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/zipline/data/us_equity_pricing.py b/zipline/data/us_equity_pricing.py
@@ -915,7 +915,8 @@ def _write(self, tablename, expected_dtypes, frame):
                 np.array([], dtype=list(expected_dtypes.items())),
             )
         else:
-            if frozenset(frame.columns) != viewkeys(expected_dtypes):
+            if frozenset(frame.columns) != \
+               frozenset(viewkeys(expected_dtypes)):
                 raise ValueError(
                     "Unexpected frame columns:\n"
                     "Expected Columns: %s\n"