Fix just inserted crash due to a new assert.

theano/gof/cmodule.py

@@ -923,8 +923,11 @@ class ModuleCache(object):
                     # The op has c_code, so take the lock.
                     compilelock.get_lock()
                     lock_taken = True
-                    assert os.path.exists(location), (
-                        "The directory just created shouldn't be deleted!")
+
+                    if not os.path.exists(location):
+                        # Temporary fix, we should make sure it don't
+                        # get deleted by the clear*() fct.
+                        os.makedirs(path)
 
                     if module_hash in self.module_hash_to_key_data:
                         _logger.debug("Duplicated module! Will re-use the "