use new showwarnings signature for idle #3391
diff --git a/Lib/idlelib/run.py b/Lib/idlelib/run.py
index 35a5031..abe94ab 100644
--- a/Lib/idlelib/run.py
+++ b/Lib/idlelib/run.py
@@ -25,11 +25,12 @@
pass
else:
def idle_formatwarning_subproc(message, category, filename, lineno,
- line=None):
+ file=None, line=None):
"""Format warnings the IDLE way"""
s = "\nWarning (from warnings module):\n"
s += ' File \"%s\", line %s\n' % (filename, lineno)
- line = linecache.getline(filename, lineno).strip()
+ line = linecache.getline(filename, lineno).strip() \
+ if line is None else line
if line:
s += " %s\n" % line
s += "%s: %s\n" % (category.__name__, message)