I had a Philodryas mattogrossensis and you don't, I can tell you that. Like said before, it's probably an animal of the Psammophis genus. Maybe P.sibilans or P.orientalis. It requires another way of keeping than Philodryas, so do some reading, I suggest.

Good luck!
Chris
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2.1 Boiga cyanea
2.2 Boiga nigriceps
1.2 Boiga tanahjampeana
0.1 Boiga irregularis (Indonesia)
1.0 Boiga irregularis (Celebes / "flavescens" )
1.1 Boiga irregularis (Togian Islands)
1.0 Boiga dendrophila dendrophila
1.1 Boiga dendrophila gemmicincta
0.1 Boiga dendrophila ssp.
0.1 Boiga jaspidea