[jira] [Created] (ARROW-1354) Pyarrow Segfault with Mixed-Type Categories

["Nick White (JIRA)" <ji...@apache.org>]

Nick White created ARROW-1354:
---------------------------------

             Summary: Pyarrow Segfault with Mixed-Type Categories
                 Key: ARROW-1354
                 URL: https://issues.apache.org/jira/browse/ARROW-1354
             Project: Apache Arrow
          Issue Type: Bug
          Components: Python
    Affects Versions: 0.5.0
            Reporter: Nick White


I'm not sure what the expected behaviour should be, but it's not segfaulting!

```
import pandas as pd
import pyarrow as pa
print("Pandas: %s" % pd.__version__)
print("Pyarrow: %s" % pa.__version__)
df = pd.DataFrame({"B": (1, 'A')})
df = df.assign(B=df.B.astype("category"))
pa.Table.from_pandas(df)  # this segfaults!
```

Versions:

```
Pandas: 0.20.1
Pyarrow: 0.5.0
```




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