Fix nits in error messages.
diff --git a/Modules/itertoolsmodule.c b/Modules/itertoolsmodule.c
index 7cafc14..be2d735 100644
--- a/Modules/itertoolsmodule.c
+++ b/Modules/itertoolsmodule.c
@@ -767,7 +767,7 @@
if (PyErr_Occurred())
PyErr_Clear();
PyErr_SetString(PyExc_ValueError,
- "Stop argument must be an integer or None.");
+ "Stop argument must be a non-negative integer or None.");
return NULL;
}
}
@@ -776,7 +776,7 @@
if (start == -1 && PyErr_Occurred()) {
PyErr_Clear();
PyErr_SetString(PyExc_ValueError,
- "Start argument must be an integer.");
+ "Start argument must be a non-negative integer.");
return NULL;
}
if (a2 != Py_None) {
@@ -785,7 +785,7 @@
if (PyErr_Occurred())
PyErr_Clear();
PyErr_SetString(PyExc_ValueError,
- "Stop argument must be an integer or None.");
+ "Stop argument must be a non-negative integer or None.");
return NULL;
}
}
@@ -793,7 +793,7 @@
if (start<0 || stop<-1) {
PyErr_SetString(PyExc_ValueError,
- "Indices for islice() must be positive.");
+ "Indices for islice() must be non-negative integers.");
return NULL;
}