Closed
Description
pandas version is 0.22.0, numpy version is 1.14.0
While performing the following:
a = pd.Series([1, 2, 3])
a.name = np.int64(123)
b = pd.Series([4, 5, 6])
b.name = (123, 789)
a - bI obtain the following error:
---------------------------------------------------------------------------
ValueError Traceback (most recent call last)
<ipython-input-63-e4efbf202d3c> in <module>()
----> 1 one - two
~/venv/lib/python3.4/site-packages/pandas/core/ops.py in wrapper(left, right, name, na_op)
727
728 if isinstance(rvalues, ABCSeries):
--> 729 name = _maybe_match_name(left, rvalues)
730 lvalues = getattr(lvalues, 'values', lvalues)
731 rvalues = getattr(rvalues, 'values', rvalues)
~/venv/lib/python3.4/site-packages/pandas/core/common.py in _maybe_match_name(a, b)
137 b_has = hasattr(b, 'name')
138 if a_has and b_has:
--> 139 if a.name == b.name:
140 return a.name
141 else:
ValueError: The truth value of an array with more than one element is ambiguous. Use a.any() or a.all()