rootpy/rootpy — pull request #553 by ndawe (2014-04-01 19:13:44+00:00)
Title: [MRG] enable stack traces for any logging level

```python
from rootpy import SHOW_TRACE
from rootpy.vector import LorentzVector
import logging

SHOW_TRACE.enabled = True
SHOW_TRACE.level = logging.WARNING

def func():
vect = LorentzVector(0, 0, 0, 0)
vect.Eta()

func()
```

```
File "test.py", line 12, in
func()
File "test.py", line 10, in func
vect.Eta()
WARNING:ROOT.TVector3.PseudoRapidity] transvers momentum = 0! return +/- 10e10
```