traces.db -> my2to3_traces.db

my2to3/trace.py

@@ -3,7 +3,7 @@ from contextlib import contextmanager
 from lib2to3.pgen2 import tokenize
 from lib2to3.refactor import get_fixers_from_package, RefactoringTool
 
-database = "traces.db"
+database = "my2to3_traces.db"
 @contextmanager
 def connection():
   conn = sqlite3.connect(database)