fix some wrong moves

Author: fchapoton

src/sage/geometry/polyhedron/library.py

@@ -3087,7 +3087,7 @@ def one_hundred_twenty_cell(self, exact=True, backend=None, construction='coxete
         - ``construction`` -- the construction to use (string, default 'coxeter');
           the other possibility is 'as_permutahedron'.
 
-        `       EXAMPLES:
+        EXAMPLES:
 
         The classical construction given by Coxeter in [Cox1969]_ is given by::
 

src/sage/groups/abelian_gps/abelian_group.py

@@ -1175,10 +1175,10 @@ def random_element(self):
             order = g.order()
             if order is infinity:
                 order = 42  # infinite order; randomly chosen maximum
-            result *= g**(randint(0,order))
+            result *= g**(randint(0, order))
         return result
 
-    def _repr_(self):
+    def _repr_(self) -> str:
         """
         Return a string representation of ``self``.
 
@@ -1206,25 +1206,25 @@ def subgroup(self, gensH, names="f"):
 
         EXAMPLES::
 
-        sage: # needs sage.libs.gap  # optional - gap_package_polycyclic
-        sage: G.<a,b,c> = AbelianGroup(3, [2,3,4]); G
-        Multiplicative Abelian group isomorphic to C2 x C3 x C4
-        sage: H = G.subgroup([a*b,a]); H
-        Multiplicative Abelian subgroup isomorphic to C2 x C3 generated by {a*b, a}
-        sage: H < G
-        True
-        sage: F = G.subgroup([a,b^2])
-        sage: F
-        Multiplicative Abelian subgroup isomorphic to C2 x C3 generated by {a, b^2}
-        sage: F.gens()
-        (a, b^2)
-        sage: F = AbelianGroup(5, [30,64,729], names=list("abcde"))
-        sage: a,b,c,d,e = F.gens()
-        sage: F.subgroup([a,b])
-        Multiplicative Abelian subgroup isomorphic to Z x Z generated by {a, b}
-        sage: F.subgroup([c,e])
-        Multiplicative Abelian subgroup isomorphic to C2 x C3 x C5 x C729
-        generated by {c, e}
+            sage: # needs sage.libs.gap  # optional - gap_package_polycyclic
+            sage: G.<a,b,c> = AbelianGroup(3, [2,3,4]); G
+            Multiplicative Abelian group isomorphic to C2 x C3 x C4
+            sage: H = G.subgroup([a*b,a]); H
+            Multiplicative Abelian subgroup isomorphic to C2 x C3 generated by {a*b, a}
+            sage: H < G
+            True
+            sage: F = G.subgroup([a,b^2])
+            sage: F
+            Multiplicative Abelian subgroup isomorphic to C2 x C3 generated by {a, b^2}
+            sage: F.gens()
+            (a, b^2)
+            sage: F = AbelianGroup(5, [30,64,729], names=list("abcde"))
+            sage: a,b,c,d,e = F.gens()
+            sage: F.subgroup([a,b])
+            Multiplicative Abelian subgroup isomorphic to Z x Z generated by {a, b}
+            sage: F.subgroup([c,e])
+            Multiplicative Abelian subgroup isomorphic to C2 x C3 x C5 x C729
+            generated by {c, e}
         """
         G = self
         gensH = tuple(gensH)

src/sage/interfaces/singular.py

@@ -1228,16 +1228,16 @@ def current_ring(self):
         else:
             return None
 
-    def _tab_completion(self):
+    def _tab_completion(self) -> list:
         """
         Return a list of all Singular commands.
 
         EXAMPLES::
 
-        sage: singular._tab_completion()
-        ['exteriorPower',
-        ...
-        'crossprod']
+            sage: singular._tab_completion()
+            ['exteriorPower',
+            ...
+            'crossprod']
         """
         p = re.compile("// *([a-z0-9A-Z_]*).*") #compiles regular expression
         proclist = self.eval("listvar(proc)").splitlines()

src/sage/symbolic/constants.py

@@ -592,8 +592,8 @@ def _real_double_(self, R):
         """
         EXAMPLES::
 
-        sage: pi._real_double_(RDF)
-        3.141592653589793
+            sage: pi._real_double_(RDF)
+            3.141592653589793
         """
         return R.pi()