add conditional to check ndim

antareepsarkar · web-flow · commit 80e013039f62 · 2025-11-16T14:31:42.000+05:30
Change dimensionality check for NumpyExtensionArray.
diff --git a/pandas/core/arrays/numpy_.py b/pandas/core/arrays/numpy_.py
@@ -118,7 +118,7 @@ def __init__(
                 f"'values' must be a NumPy array, not {type(values).__name__}"
             )
 
-        if values.ndim != 1:
+        if values.ndim == 0:
             # Technically we support 2, but do not advertise that fact.
             raise ValueError("NumpyExtensionArray must be 1-dimensional.")
 

Original file line number	Diff line number	Diff line change
`@@ -118,7 +118,7 @@ def __init__(`
`118`	`118`	`f"'values' must be a NumPy array, not {type(values).__name__}"`
`119`	`119`	`)`
`120`	`120`
`121`		`- if values.ndim != 1:`
	`121`	`+ if values.ndim == 0:`
`122`	`122`	`# Technically we support 2, but do not advertise that fact.`
`123`	`123`	`raise ValueError("NumpyExtensionArray must be 1-dimensional.")`
`124`	`124`