Index: Python/import.c
===================================================================
--- Python/import.c	(revision 64979)
+++ Python/import.c	(working copy)
@@ -3168,6 +3168,7 @@
 
 	pathlen = strlen(path);
 	if (pathlen == 0) {
+		PyMem_Free(path);
 		PyErr_SetString(PyExc_ImportError, "empty pathname");
 		return -1;
 	} else {
@@ -3189,6 +3190,7 @@
 			rv = stat(mangled, &statbuf);
 		}
 #endif
+		PyMem_Free(path);
 		if (rv == 0) {
 			/* it exists */
 			if (S_ISDIR(statbuf.st_mode)) {