Fixed typo in resample.py

Author: captainsafia

pandas/tseries/resample.py

@@ -329,7 +329,7 @@ def _resample_timestamps(self, kind=None):
             raise Exception("Value of base must be between 0 and {freq}, got "
                     "{base} instead".format(freq=self.freq.n, base=self.base))
 
-        result.index = result.index.shift(self.base, type(self.freq)(1))
+        result.index = result.index.shift(self.base, freq = type(self.freq)(1))
 
         return result