Convert string to raw string to remove invalid escape sequence warning (apache#2267)

- Changed '\s' to r'\s'

Author: jsell-rh

drivers/python/age/age.py

@@ -26,7 +26,7 @@
 _EXCEPTION_NoConnection = NoConnection()
 _EXCEPTION_GraphNotSet = GraphNotSet()
 
-WHITESPACE = re.compile('\s')
+WHITESPACE = re.compile(r'\s')
 
 
 class AgeDumper(psycopg.adapt.Dumper):
@@ -233,3 +233,4 @@ def cypher(self, cursor:psycopg.cursor, cypherStmt:str, cols:list=None, params:t
 
     # def queryCypher(self, cypherStmt:str, columns:list=None , params:tuple=None) -> psycopg.cursor :
     #     return queryCypher(self.connection, self.graphName, cypherStmt, columns, params)
+