diff --git a/Modules/_asynciomodule.c b/Modules/_asynciomodule.c
index 7e2fe28423399f..0ed899f5a7c142 100644
--- a/Modules/_asynciomodule.c
+++ b/Modules/_asynciomodule.c
@@ -1943,7 +1943,7 @@ enter_task(asyncio_state *state, PyObject *loop, PyObject *task)
             PyExc_RuntimeError,
             "Cannot enter into task %R while another " \
             "task %R is being executed.",
-            task, item, NULL);
+            task, item);
         Py_DECREF(item);
         return -1;
     }
@@ -2062,7 +2062,7 @@ _asyncio_Task___init___impl(TaskObj *self, PyObject *coro, PyObject *loop,
         self->task_log_destroy_pending = 0;
         PyErr_Format(PyExc_TypeError,
                      "a coroutine was expected, got %R",
-                     coro, NULL);
+                     coro);
         return -1;
     }
 
diff --git a/Modules/_ssl.c b/Modules/_ssl.c
index b25ca379da4c25..2d94fd985781ff 100644
--- a/Modules/_ssl.c
+++ b/Modules/_ssl.c
@@ -3537,15 +3537,11 @@ _ssl__SSLContext_verify_flags_set_impl(PySSLContext *self, PyObject *value)
 static int
 set_min_max_proto_version(PySSLContext *self, PyObject *arg, int what)
 {
-    long v;
+    int v;
     int result;
 
-    if (!PyArg_Parse(arg, "l", &v))
+    if (!PyArg_Parse(arg, "i", &v))
         return -1;
-    if (v > INT_MAX) {
-        PyErr_SetString(PyExc_OverflowError, "Option is too long");
-        return -1;
-    }
 
     switch(self->protocol) {
     case PY_SSL_VERSION_TLS_CLIENT:  /* fall through */
@@ -3580,7 +3576,7 @@ set_min_max_proto_version(PySSLContext *self, PyObject *arg, int what)
             break;
         default:
             PyErr_Format(PyExc_ValueError,
-                     "Unsupported TLS/SSL version 0x%x", v);
+                     "Unsupported TLS/SSL version 0x%x", (unsigned)v);
             return -1;
     }
 
@@ -3614,7 +3610,7 @@ set_min_max_proto_version(PySSLContext *self, PyObject *arg, int what)
     }
     if (result == 0) {
         PyErr_Format(PyExc_ValueError,
-                     "Unsupported protocol version 0x%x", v);
+                     "Unsupported protocol version 0x%x", (unsigned)v);
         return -1;
     }
     return 0;
diff --git a/Modules/_zoneinfo.c b/Modules/_zoneinfo.c
index 2a4186bb12564d..25cc4042ce92a3 100644
--- a/Modules/_zoneinfo.c
+++ b/Modules/_zoneinfo.c
@@ -989,7 +989,7 @@ load_data(zoneinfo_state *state, PyZoneInfo_ZoneInfo *self, PyObject *file_obj)
     }
 
     if (!PyTuple_CheckExact(data_tuple)) {
-        PyErr_Format(PyExc_TypeError, "Invalid data result type: %r",
+        PyErr_Format(PyExc_TypeError, "Invalid data result type: %R",
                      data_tuple);
         goto error;
     }