Backport PR #59836 on branch 2.2.x (BLD: Fix bad Cython annotation) (#59837)

meeseeksmachine · lithomas1 · web-flow · commit 8d67e77d6aa1 · 2024-09-18T23:43:19.000+02:00
Backport PR #59836: BLD: Fix bad Cython annotation Co-authored-by: Thomas Li <47963215+lithomas1@users.noreply.github.com>
diff --git a/pandas/_libs/tslibs/np_datetime.pxd b/pandas/_libs/tslibs/np_datetime.pxd
@@ -89,7 +89,7 @@ cdef int string_to_dts(
     int* out_local,
     int* out_tzoffset,
     bint want_exc,
-    format: str | None = *,
+    str format = *,
     bint exact = *
 ) except? -1
 
diff --git a/pandas/_libs/tslibs/np_datetime.pyx b/pandas/_libs/tslibs/np_datetime.pyx
@@ -331,7 +331,7 @@ cdef int string_to_dts(
     int* out_local,
     int* out_tzoffset,
     bint want_exc,
-    format: str | None=None,
+    str format=None,
     bint exact=True,
 ) except? -1:
     cdef:
