Merge pull request #13302 from meeseeksmachine/auto-backport-of-pr-13290-on-7.x

Backport PR  #13290 on branch 7.x (Use sphinxify (if available) in object_inspect_mime path)

IPython/core/interactiveshell.py

@@ -1812,8 +1812,13 b' class InteractiveShell(SingletonConfigurable):'
         with self.builtin_trap:
             info = self._object_find(oname)
             if info.found:
-                return self.inspector._get_info(info.obj, oname, info=info,
-                            detail_level=detail_level
+                docformat = sphinxify if self.sphinxify_docstring else None
+                return self.inspector._get_info(
+                    info.obj,
+                    oname,
+                    info=info,
+                    detail_level=detail_level,
+                    formatter=docformat,
                 )
             else:
                 raise KeyError(oname)