environment/lib/python2.7/site-packages/IPython/core/oinspect.py
def _getdef(self,obj,oname=''):
        """Return the definition header for any callable object.

        If any exception is generated, None is returned instead and the
        exception is suppressed."""

        try:
            # We need a plain string here, NOT unicode!
            hdef = oname + inspect.formatargspec(*getargspec(obj))
            return py3compat.unicode_to_str(hdef, 'ascii')
        except:
            return None
def _getdef(self,obj,oname=''):
        """Return the definition header for any callable object.

        If any exception is generated, None is returned instead and the
        exception is suppressed."""

        try:
            # We need a plain string here, NOT unicode!
            hdef = oname + inspect.formatargspec(*getargspec(obj))
            return py3compat.unicode_to_str(hdef, 'ascii')
        except:
            return None
Return the definition header for any callable object.

        If any exception is generated, None is returned instead and the
        exception is suppressed.