diff --git a/.github/workflows/ci-cygwin-standard.yml b/.github/workflows/ci-cygwin-standard.yml
index 32efd7f8a4a..c6bb8612402 100644
--- a/.github/workflows/ci-cygwin-standard.yml
+++ b/.github/workflows/ci-cygwin-standard.yml
@@ -59,10 +59,12 @@ jobs:
     needs: [cygwin-stage-i-a, cygwin-stage-i-b]
 
   cygwin-stage-ii-e:
+    uses: ./.github/workflows/cygwin.yml
+    with:
+      stage: ii-e
+      previous_stages: i-*
+      targets: threejs tachyon pillow jmol m4rie sympy lrcalc lcalc symmetrica cliquer libbraiding planarity rw elliptic_curves combinatorial_designs sympow
     env:
-      STAGE: ii-e
-      PREVIOUS_STAGES: i-*
-      TARGETS: threejs tachyon pillow jmol m4rie sympy lrcalc lcalc symmetrica cliquer libbraiding planarity rw elliptic_curves combinatorial_designs sympow
       LOCAL_ARTIFACT_NAME: sage-local-commit-${{ github.sha }}-cygwin-${{ matrix.pkgs }}
       LOGS_ARTIFACT_NAME: logs-commit-${{ github.sha }}-cygwin-${{ matrix.pkgs }}
 
diff --git a/src/sage/rings/ring_extension_morphism.pyx b/src/sage/rings/ring_extension_morphism.pyx
index 2cde5d9502d..2b69f2ce8ea 100644
--- a/src/sage/rings/ring_extension_morphism.pyx
+++ b/src/sage/rings/ring_extension_morphism.pyx
@@ -466,7 +466,8 @@ cdef class RingExtensionHomomorphism(RingMap):
             s += "with map on base ring"
             ss = self.base_map()._repr_defn()
             ss = re.sub('\nwith map on base ring:?$', '', ss, 0, re.MULTILINE)
-            if ss != "": s += ":\n" + ss
+            if ss != "":
+                s += ":\n" + ss
         if s != "" and s[-1] == "\n":
             s = s[:-1]
         return s