Delete superfluous line

avinashpancham · avinashpancham · commit d41b2f2b32d5 · 2021-01-01T23:21:21.000+01:00
diff --git a/pandas/core/arrays/interval.py b/pandas/core/arrays/interval.py
@@ -228,7 +228,6 @@ def _simple_new(
 
         if dtype is not None:
             # GH 19262: dtype must be an IntervalDtype to override inferred
-            dtype = pandas_dtype(dtype)
             if is_interval_dtype(dtype):
                 dtype = cast(IntervalDtype, dtype)
                 if dtype.subtype is not None:
