#0 0x00007f528ef5404b in ?? () #1 0x00007f5295ed19c0 in ?? () #2 0x00007f5294106d38 in ?? () #3 0x00007f528ef374e8 in ?? () #4 0x00000000004dc723 in validate_stmt (stmt=0x234bac0) at ../Python/ast.c:331 [Error: ../Python/ast.c was not found in source tree] #5 validate_stmts.78544 (seq=0x7ffffa2405e0) at ../Python/ast.c:434 [Error: ../Python/ast.c was not found in source tree] #6 0x00000000005730c5 in sre_category (ch=, category=) at ../Modules/_sre.c:211 [Error: ../Modules/_sre.c was not found in source tree] #7 sre_ucharset.48881 (set=0x4, ch=38764232) at ../Modules/_sre.c:416 [Error: ../Modules/_sre.c was not found in source tree] #8 0x00007f529417dfb0 in ?? () #9 0x00007f5294073d40 in ?? () #10 0x0000000000944340 in send_doc.41201.8871 () #11 0xa9543a5061200506 in ?? () #12 0x00007f5294113390 in ?? () #13 0x0000000000000000 in ?? ()