[incubator-superset] branch master updated: Fix array casting (#8253)

[beto]

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beto pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/incubator-superset.git


The following commit(s) were added to refs/heads/master by this push:
     new 8e1fc2b  Fix array casting (#8253)
8e1fc2b is described below

commit 8e1fc2b0ba665c35314eadf9a5196cd35bb2a433
Author: Beto Dealmeida <robe...@dealmeida.net>
AuthorDate: Wed Sep 18 13:32:58 2019 -0700

    Fix array casting (#8253)
---
 superset/dataframe.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/superset/dataframe.py b/superset/dataframe.py
index 47683b0..c173336 100644
--- a/superset/dataframe.py
+++ b/superset/dataframe.py
@@ -110,7 +110,7 @@ class SupersetDataFrame(object):
             # need to do this because we can not specify a mixed dtype when
             # instantiating the DataFrame, and this allows us to have different
             # dtypes for each column.
-            array = np.array(data)
+            array = np.array(data, dtype="object")
             data = {
                 column: pd.Series(array[:, i], dtype=dtype[column])
                 for i, column in enumerate(column_names)