--- Python-2.4/Python/import.c	2004-09-08 10:02:03.166032656 +0100
+++ import.c	2004-09-08 10:02:57.423420120 +0100
@@ -808,8 +808,12 @@
 write_compiled_module(PyCodeObject *co, char *cpathname, long mtime)
 {
 	FILE *fp;
-
-	fp = open_exclusive(cpathname);
+   char *py_dontcompile = getenv("PYTHON_DONTCOMPILE");
+   
+   if (!py_dontcompile) 
+     fp = open_exclusive(cpathname);
+   else
+     fp = NULL;
 	if (fp == NULL) {
 		if (Py_VerboseFlag)
 			PySys_WriteStderr(