Simplify ndim check

znicholls · keewis · web-flow · commit a156d2cc814f · 2020-07-06T09:43:34.000+10:00
Co-authored-by: keewis &lt;keewis@users.noreply.github.com&gt;
diff --git a/pandas/_libs/lib.pyx b/pandas/_libs/lib.pyx
@@ -995,7 +995,7 @@ cdef inline bint c_is_list_like(object obj, bint allow_sets) except -1:
         # we do not count strings/unicode/bytes as list-like
         and not isinstance(obj, (str, bytes))
         # exclude zero-dimensional duck arrays, effectively scalars
-        and not (hasattr(obj, "ndim") and obj.ndim == 0)
+        and getattr(obj, "ndim", 0) != 0
         # exclude sets if allow_sets is False
         and not (allow_sets is False and isinstance(obj, abc.Set))
     )

Original file line number	Diff line number	Diff line change
`@@ -995,7 +995,7 @@ cdef inline bint c_is_list_like(object obj, bint allow_sets) except -1:`
`995`	`995`	`# we do not count strings/unicode/bytes as list-like`
`996`	`996`	`and not isinstance(obj, (str, bytes))`
`997`	`997`	`# exclude zero-dimensional duck arrays, effectively scalars`
`998`		`- and not (hasattr(obj, "ndim") and obj.ndim == 0)`
	`998`	`+ and getattr(obj, "ndim", 0) != 0`
`999`	`999`	`# exclude sets if allow_sets is False`
`1000`	`1000`	`and not (allow_sets is False and isinstance(obj, abc.Set))`
`1001`	`1001`	`)`