diff --git a/api/api_parser.py b/api/api_parser.py
index 69c35a1..bca8470 100644
--- a/api/api_parser.py
+++ b/api/api_parser.py
@@ -171,6 +171,9 @@ def _read_inp(inp: str) -> ChangeSet:
         elif name == 'END':
             pass # :)
 
+    # release file
+    file = {}
+
     cs = ChangeSet()
     priorities = [
         'PATTERNS',