From: Daniele Varrazzo <daniele.varrazzo@gmail.com>
Date: Thu, 16 Apr 2020 14:18:15 +0000 (+1200)
Subject: Small fixes to the ctypes module
X-Git-Tag: 3.0.dev0~553
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=39ef6319baa0d44fd58fd679623c193fe261fcc4;p=thirdparty%2Fpsycopg.git

Small fixes to the ctypes module
---

diff --git a/psycopg3/pq/pq_ctypes.py b/psycopg3/pq/pq_ctypes.py
index a267af136..e7683626b 100644
--- a/psycopg3/pq/pq_ctypes.py
+++ b/psycopg3/pq/pq_ctypes.py
@@ -248,7 +248,7 @@ class PGconn:
         param_types: Optional[Sequence[int]] = None,
     ) -> None:
         atypes: Optional[Array[impl.Oid]]
-        if param_types is None:
+        if not param_types:
             nparams = 0
             atypes = None
         else:
@@ -321,7 +321,7 @@ class PGconn:
         else:
             if len(param_formats) != nparams:
                 raise ValueError(
-                    "got %d param_values but %d param_types"
+                    "got %d param_values but %d param_formats"
                     % (nparams, len(param_formats))
                 )
             aformats = (c_int * nparams)(*param_formats)