docs: def _get_imported_module(self, module_name):
          """try to get imported module reference by its name"""
          # if imported module on module_set add to list
          imp_mod = self.by_name.get(module_name)
          if imp_mod:
              return imp_mod
  
          # last part of import section might not be a module
          # remove last section
          no_obj = module_name.rsplit('.', 1)[0]
          imp_mod2 = self.by_name.get(no_obj)
          if imp_mod2:
              return imp_mod2
  
          # special case for __init__
          if module_name in self.pkgs:
              pkg_name = module_name  + ".__init__"
              return self.by_name[pkg_name]
  
          if no_obj in self.pkgs:
              pkg_name = no_obj +  ".__init__"
              return self.by_name[pkg_name]