src/sage/combinat/root_system/coxeter_group.py: Fix typo in lazy_import

Author: Matthias Koeppe

src/sage/combinat/root_system/coxeter_group.py

@@ -12,7 +12,7 @@
 from sage.combinat.root_system.cartan_type import CartanType
 from sage.misc.lazy_import import lazy_import
 
-lazy_import('from sage.combinat.root_system.reflection_group_real', 'ReflectionGroup')
+lazy_import('sage.combinat.root_system.reflection_group_real', 'ReflectionGroup')
 lazy_import('sage.combinat.root_system.weyl_group', 'WeylGroup')