code sample for pandas-dev#42456

simonjayhawkins · Jul 16, 2021 · 0071de3 · 0071de3
1 parent 72a2a2a
commit 0071de3
Showing 1 changed file with 13 additions and 0 deletions.
diff --git a/bisect/42456.py b/bisect/42456.py
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+# BUG: Regression on DataFrame.from_records #42456
+
+from numpy import empty, array
+import pandas as pd
+print(pd.__version__)
+
+structured_dtype = [("prop", int)]
+
+# Does NOT work any more
+result = empty((0, len(structured_dtype)))
+structured_array = array(result, dtype=structured_dtype)
+result = pd.DataFrame.from_records(structured_array)
+print(result)