Use a strict PGconn type on Escaping.__init__ definition definition

diff --git a/psycopg3_c/psycopg3_c/pq/escaping.pyx b/psycopg3_c/psycopg3_c/pq/escaping.pyx
index 210b8672886dcfa8e812cb0469f414de6535bcf0..cec86633765eb978102e9bbbd215a44e22ad2b93 100644 (file)
--- a/psycopg3_c/psycopg3_c/pq/escaping.pyx
+++ b/psycopg3_c/psycopg3_c/pq/escaping.pyx
@@ -4,11 +4,9 @@ psycopg3_c.pq_cython.Escaping object implementation.
 
 # Copyright (C) 2020 The Psycopg Team
 
-from psycopg3_c.pq_cython cimport PGconn
-
 
 cdef class Escaping:
-    def __init__(self, conn: Optional[PGconn] = None):
+    def __init__(self, PGconn conn = None):
         self.conn = conn
 
     def escape_literal(self, data: "Buffer") -> memoryview: