complete and clarify some error messages for range()

diff --git a/Python/bltinmodule.c b/Python/bltinmodule.c
index 6c1a3d290ca3dcae8d0054aa18184fa9340aa9a9..bcc9a6c09aab621eca799c282d07543211256ca9 100644 (file)
--- a/Python/bltinmodule.c
+++ b/Python/bltinmodule.c
@@ -1368,21 +1368,21 @@ handle_range_longs(PyObject *self, PyObject *args)
 
        if (!PyInt_Check(ilow) && !PyLong_Check(ilow)) {
                PyErr_Format(PyExc_TypeError,
-                            "integer start argument expected, got %s.",
+                            "range() integer start argument expected, got %s.",
                             ilow->ob_type->tp_name);
                goto Fail;
        }
 
        if (!PyInt_Check(ihigh) && !PyLong_Check(ihigh)) {
                PyErr_Format(PyExc_TypeError,
-                            "integer end argument expected, got %s.",
+                            "range() integer end argument expected, got %s.",
                             ihigh->ob_type->tp_name);
                goto Fail;
        }
 
        if (!PyInt_Check(istep) && !PyLong_Check(istep)) {
                PyErr_Format(PyExc_TypeError,
-                            "integer step argument expected, got %s.",
+                            "range() integer step argument expected, got %s.",
                             istep->ob_type->tp_name);
                goto Fail;
        }
@@ -1391,7 +1391,7 @@ handle_range_longs(PyObject *self, PyObject *args)
                goto Fail;
        if (cmp_result == 0) {
                PyErr_SetString(PyExc_ValueError,
-                               "range() arg 3 must not be zero");
+                               "range() step argument must not be zero");
                goto Fail;
        }
 
@@ -1507,7 +1507,7 @@ builtin_range(PyObject *self, PyObject *args)
        }
        if (istep == 0) {
                PyErr_SetString(PyExc_ValueError,
-                               "range() arg 3 must not be zero");
+                               "range() step argument must not be zero");
                return NULL;
        }
        if (istep > 0)