Original file line numberDiff line numberDiff line change@@ -57,6 +57,7 @@
5757"""
58585959import__future__
60+importwarnings
60616162_features= [getattr(__future__, fname)
6263forfnamein__future__.all_feature_names]
@@ -83,15 +84,18 @@ def _maybe_compile(compiler, source, filename, symbol):
8384exceptSyntaxError:
8485pass
858686-try:
87-code1=compiler(source+"\n", filename, symbol)
88-exceptSyntaxErrorase:
89-err1=e
90-91-try:
92-code2=compiler(source+"\n\n", filename, symbol)
93-exceptSyntaxErrorase:
94-err2=e
87+# Suppress warnings after the first compile to avoid duplication.
88+withwarnings.catch_warnings():
89+warnings.simplefilter("ignore")
90+try:
91+code1=compiler(source+"\n", filename, symbol)
92+exceptSyntaxErrorase:
93+err1=e
94+95+try:
96+code2=compiler(source+"\n\n", filename, symbol)
97+exceptSyntaxErrorase:
98+err2=e
959996100try:
97101ifcode: