Support relative import in "%run -m"

IPython/core/magics/execution.py

@@ -593,6 +593,10 b' python-profiler package from non-free.""")'
                             # user (run by exec in pdb itself).
                             self.shell.InteractiveTB(etype, value, tb, tb_offset=3)
                     else:
+                        if 'm' in opts:
+                            def run():
+                                self.shell.safe_run_module(modulename, prog_ns)
+                        else:
                         if runner is None:
                             runner = self.default_runner
                         if runner is None: