Fix add_rows crash

tvst · tvst · commit aa0dd56ea63b · 2019-09-29T20:08:43.000-07:00
diff --git a/lib/streamlit/elements/data_frame_proto.py b/lib/streamlit/elements/data_frame_proto.py
@@ -296,9 +296,6 @@ def _marshall_any_array(pandas_array, proto_array):
     """
     import numpy as np
 
-    if len(pandas_array) == 0:
-        return
-
     # Convert to np.array as necessary.
     if not hasattr(pandas_array, "dtype"):
         pandas_array = np.array(pandas_array)
