def pm(etype, value, tb): # pragma no cover
import pdb, traceback
try:
from IPython.ipapi import make_session; make_session()
from IPython.Debugger import Pdb
sys.stderr.write('Entering post-mortem IPDB shell\n')
p = Pdb(color_scheme='Linux')
p.reset()
p.setup(None, tb)
p.print_stack_trace()
sys.stderr.write('%s: %s\n' % ( etype, value))
p.cmdloop()
p.forget()
# p.interaction(None, tb)
except ImportError:
sys.stderr.write('Entering post-mortem PDB shell\n')
traceback.print_exception(etype, value, tb)
pdb.post_mortem(tb)
