formatting

src/sage/groups/abelian_gps/abelian_group_gap.py

@@ -328,7 +328,7 @@ def _element_constructor_(self, x, check=True):
             f2
         """
         if isinstance(x, AbelianGroupElement_gap):
-            try :
+            try:
                 if x in self._cover:
                     x = self.gap().NaturalHomomorphism().Image(x.gap())
                 else:
@@ -557,7 +557,7 @@ def _subgroup_constructor(self, libgap_subgroup):
 
     def quotient(self, N):
         r"""
-        Return the quotient of this group by the normal subgroup N.
+        Return the quotient of this group by the normal subgroup `N`.
 
         INPUT:
 
@@ -830,7 +830,6 @@ class AbelianGroupQuotient_gap(AbelianGroup_gap):
     r"""
     Quotients of abelian groups by a subgroup.
 
-
     .. NOTE::
 
         Do not call this directly. Instead use :meth:`quotient`.
@@ -964,7 +963,7 @@ def relations(self):
     @cached_method
     def natural_homomorphism(self):
         r"""
-        Return the defining homomorphism into self.
+        Return the defining homomorphism into ``self``.
 
         EXAMPLES::