Added newline to end of edward.py

Author: fonnesbeck

pymc3/external/edward.py

@@ -76,4 +76,5 @@ def _py_log_prob_args(self, *args):
         # variables.
         z = {key: value for key, value in zip(self.zs_keys, zs_values)}
         lp = self.model.fastlogp(z)
-        return lp.astype(np.float32)
+        return lp.astype(np.float32)
+