.
Thread 5 (LWP 25817):
#0  0x00007f5299d1947d in ?? ()
No symbol table info available.
#1  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 4 (LWP 25815):
#0  0x00007f5299fff03e in ?? ()
No symbol table info available.
#1  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 3 (LWP 25814):
#0  0x00007f5299d1947d in ?? ()
No symbol table info available.
#1  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 2 (LWP 25813):
#0  0x00007f5299d1947d in ?? ()
No symbol table info available.
#1  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (LWP 25812):
#0  0x00007f528ef5404b in ?? ()
No symbol table info available.
#1  0x00007f5295ed19c0 in ?? ()
No symbol table info available.
#2  0x00007f5294106d38 in ?? ()
No symbol table info available.
#3  0x00007f528ef374e8 in ?? ()
No symbol table info available.
#4  0x00000000004dc723 in PyFrame_New ()
No symbol table info available.
#5  0x00007f52892e42f0 in ?? ()
No symbol table info available.
#6  0x00007f528ef36b28 in ?? ()
No symbol table info available.
#7  0x00000000024f7b40 in ?? ()
No symbol table info available.
#8  0x00007f52967b44cd in ?? ()
No symbol table info available.
#9  0x0000000000000000 in ?? ()
No symbol table info available.