sagemathgh-38901: add "# long time" to slow-ish composite isogeny doctest

...to silence the new(?) warning about tests that take a long time.

URL: sagemath#38901
Reported by: Lorenz Panny
Reviewer(s):

Author: Release Manager

build/pkgs/configure/checksums.ini

@@ -1,3 +1,3 @@
 tarball=configure-VERSION.tar.gz
-sha1=03b46d88cb544ac683290487e94680de94d1ff50
-sha256=b687b542cfcce2a6865f7aa7164ea77ab00f082ef5cc8ef885e9dfb33c04679d
+sha1=8101aa562d9750cf67c652f74d2b6ac448a32844
+sha256=732c3145400765648d198b3271f17b40be094d766d4018b0c30410b5b3246499

build/pkgs/configure/package-version.txt

@@ -1 +1 @@
-9a5d35a91d40c9ef83fa4976f266d706028f0596
+e360734ab2c895feff77a1076828bfcbadb6a9a6

src/sage/schemes/elliptic_curves/hom_composite.py

@@ -190,7 +190,7 @@ def _compute_factored_isogeny_prime_power(P, l, n, split=.8, velu_sqrt_bound=Non
         sage: P, = E.gens()
         sage: (l,n), = P.order().factor()
         sage: phis = hom_composite._compute_factored_isogeny_prime_power(P,l,n)
-        sage: phis == hom_composite._compute_factored_isogeny_prime_power(P,l,n, split=0)
+        sage: phis == hom_composite._compute_factored_isogeny_prime_power(P,l,n, split=0)  # long time -- about 10s
         True
         sage: phis == hom_composite._compute_factored_isogeny_prime_power(P,l,n, split=0.1)
         True