Fix typo while resolving merge conflict

Signed-off-by: ziad hany <ziadhany2016@gmail.com>

Author: ziadhany

scanpipe/pipes/reachability.py

@@ -27,6 +27,7 @@
 from enum import Enum
 from pathlib import Path
 
+from git import Repo
 from git.diff import NULL_TREE
 from typecode import get_type