issue pandas-dev#57268 - github actions resolution

Author: VISWESWARAN1998

pandas/core/indexes/interval.py

@@ -1120,10 +1120,13 @@ def interval_range(
             # error: Argument 1 to "maybe_downcast_numeric" has incompatible type
             # "Union[ndarray[Any, Any], TimedeltaIndex, DatetimeIndex]";
             # expected "ndarray[Any, Any]"  [
-            dtype = start.dtype if start.dtype == end.dtype else np.dtype("int64")
+            if isinstance(start, int) or isinstance(end, int):
+                dtype = np.dtype("int64")
+            else:
+                dtype = start.dtype if start.dtype == end.dtype else np.dtype("int64")
             breaks = maybe_downcast_numeric(
                 breaks,  # type: ignore[arg-type]
-                dtype,
+                dtype
             )
             return IntervalIndex.from_breaks(breaks, name=name, closed=closed, dtype=IntervalDtype(subtype=dtype, closed=closed))
     else: