diff options
Diffstat (limited to 'pyasn1/debug.py')
| -rw-r--r-- | pyasn1/debug.py | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/pyasn1/debug.py b/pyasn1/debug.py index 04edbb6..cb21fb6 100644 --- a/pyasn1/debug.py +++ b/pyasn1/debug.py @@ -18,10 +18,9 @@ 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.PyAsn1Error('Null debug writer specified') + self._printer = self.defaultPrinter self('running pyasn1 version %s' % __version__) for f in flags: if f not in flagMap: |