gh-35558: sage.quadratic_forms: Fix use of staticmethod for Python < 3.10

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Fixes #35557
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URL: #35558
Reported by: Matthias Köppe
Reviewer(s): Kwankyu Lee

Author: Release Manager

build/pkgs/configure/checksums.ini

@@ -1,4 +1,4 @@
 tarball=configure-VERSION.tar.gz
-sha1=527827bf6b3d445dc433219b4423f824dc95ec94
-md5=edf7a6212cc3e0f37acad73af1f059c8
-cksum=998886037
+sha1=f06ad875b0bf9ca2c22fd5bd3195ad0a0c62d064
+md5=6bf8b6f79f7341dc33f05e17a625d262
+cksum=351732165

build/pkgs/configure/package-version.txt

@@ -1 +1 @@
-eca2a773d086dbbd6c88bb36e2fac4748aa602bf
+4aadac6fe81c8d4bb8056f0ca70c30195b6fdc56

src/sage/quadratic_forms/genera/genus.py

@@ -121,7 +121,8 @@ def genera(sig_pair, determinant, max_scale=None, even=False):
     return genera
 
 
-genera = staticmethod(genera)
+# #35557: In Python < 3.10, a staticmethod cannot be called directly
+_genera_staticmethod = staticmethod(genera)
 
 
 def _local_genera(p, rank, det_val, max_scale, even):

src/sage/quadratic_forms/quadratic_form.py

@@ -502,9 +502,8 @@ class QuadraticForm(SageObject):
         ])
 
     # Genus
-    lazy_import("sage.quadratic_forms.genera.genus", [
-            "genera"
-        ])
+    lazy_import("sage.quadratic_forms.genera.genus",
+                "_genera_staticmethod", as_="genera")
 
     def __init__(self, R, n=None, entries=None, unsafe_initialization=False, number_of_automorphisms=None, determinant=None):
         """