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BUG: Series construction with dtype=JSONDtype() and index but no data RecursionError #33900

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@simonjayhawkins

Description

@simonjayhawkins
  • I have checked that this issue has not already been reported.

  • I have confirmed this bug exists on the latest version of pandas.

  • (optional) I have confirmed this bug exists on the master branch of pandas.


Code Sample, a copy-pastable example

>>> import numpy as np
>>> import pandas as pd
>>>
>>> pd.__version__
'1.1.0.dev0+1436.g6016b9841'
>>>
>>> from pandas.tests.extension.json.array import JSONDtype
>>>
>>> pd.Series(index=[1, 2, 3], dtype=JSONDtype())
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "C:\Users\simon\pandas\pandas\core\series.py", line 283, in __init__
    data, index = self._init_dict(data, index, dtype)
  File "C:\Users\simon\pandas\pandas\core\series.py", line 372, in _init_dict
    s = create_series_with_explicit_dtype(
  File "C:\Users\simon\pandas\pandas\core\construction.py", line 624, in create_series_with_explicit_dtype
    return Series(
  File "C:\Users\simon\pandas\pandas\core\series.py", line 283, in __init__
    data, index = self._init_dict(data, index, dtype)
  File "C:\Users\simon\pandas\pandas\core\series.py", line 372, in _init_dict
    s = create_series_with_explicit_dtype(
  File "C:\Users\simon\pandas\pandas\core\construction.py", line 624, in create_series_with_explicit_dtype
...
RecursionError: maximum recursion depth exceeded in comparison

Problem description

raises RecursionError

Expected Output

1 {}
2 {}
3 {}
dtype: json

Output of pd.show_versions()

[paste the output of pd.show_versions() here leaving a blank line after the details tag]

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    API - ConsistencyInternal Consistency of API/BehaviorBugExtensionArrayExtending pandas with custom dtypes or arrays.Nested DataData where the values are collections (lists, sets, dicts, objects, etc.).

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