fix issue on sqlite3 with statement

adcern/sqlite3_backend.py

@@ -18,20 +18,20 @@ def modify_db(conn,
         additional arguments for execute query, optional
     """
 
-    with conn.cursor() as c:
-        for x in range(1, 11):
-            try:
-                if args:
-                    c.execute(query, args)
-                else:
-                    c.execute(query)
-            except:
-                print("Sqlite3 execute unsuccessful, retrying after %s sec...." %x)
-                time.sleep(x)
-                pass
+    c = conn.cursor()
+    for x in range(1, 11):
+        try:
+            if args:
+                c.execute(query, args)
             else:
-                print("Sqlite3 execute successful, breaking the retry cycle.")
-                break
+                c.execute(query)
+        except:
+            print("Sqlite3 execute unsuccessful, retrying after %s sec...." %x)
+            time.sleep(x)
+            pass
+        else:
+            print("Sqlite3 execute successful, breaking the retry cycle.")
+            break
 
     # retry commit - db might be locked by different process
     for x in range(1, 11):