diff options
Diffstat (limited to 'pysnmp/debug.py')
| -rw-r--r-- | pysnmp/debug.py | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/pysnmp/debug.py b/pysnmp/debug.py index d3f1f367..01bf8e02 100644 --- a/pysnmp/debug.py +++ b/pysnmp/debug.py @@ -35,10 +35,9 @@ class Debug: defaultPrinter = sys.stderr.write def __init__(self, *flags): self._flags = flagNone - if self.defaultPrinter: - self._printer = self.defaultPrinter - else: - self._printer = lambda x: None # stderr may not be available + if not self.defaultPrinter: + raise error.PySnmpError('Null debug writer specified') + self._printer = self.defaultPrinter self('running pysnmp version %s' % __version__) for f in flags: inverse = f and f[0] in ('!', '~') |