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authorRaymond Hettinger <python@rcn.com>2002-06-01 00:57:55 (GMT)
committerRaymond Hettinger <python@rcn.com>2002-06-01 00:57:55 (GMT)
commit0f4940c0a8d2ac66ccf90fb12739967915043406 (patch)
treebf41a9f6c5a0552cd04a7365fe32f67db26bc48f /Lib/dis.py
parent8989ea6ce1619890adc58778fb5516a36053cadb (diff)
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Replaced boolean test with 'is None'
Diffstat (limited to 'Lib/dis.py')
-rw-r--r--Lib/dis.py8
1 files changed, 4 insertions, 4 deletions
diff --git a/Lib/dis.py b/Lib/dis.py
index 39bfb7d..8ea6d98 100644
--- a/Lib/dis.py
+++ b/Lib/dis.py
@@ -13,7 +13,7 @@ def dis(x=None):
With no argument, disassemble the last traceback.
"""
- if not x:
+ if x is None:
distb()
return
if type(x) is types.InstanceType:
@@ -44,7 +44,7 @@ def dis(x=None):
def distb(tb=None):
"""Disassemble a traceback (default: last traceback)."""
- if not tb:
+ if tb is None:
try:
tb = sys.last_traceback
except AttributeError:
@@ -312,12 +312,12 @@ def _test():
fn = None
else:
fn = None
- if not fn:
+ if fn is None:
f = sys.stdin
else:
f = open(fn)
source = f.read()
- if fn:
+ if fn is not None:
f.close()
else:
fn = "<stdin>"