Here it is:
(gdb) r segfault.py
Starting program: <not-shown>/anaconda3/bin/python segfault.py
warning: Unable to open "librpm.so.3" <not-shown>/anaconda3/lib/liblzma.so.5: version `XZ_5.1.2alpha' not found (required by /lib64/librpmio.so.3)), missing debuginfos notifications will not be displayed
Missing separate debuginfo for /lib64/ld-linux-x86-64.so.2
Try: yum --enablerepo='*debug*' install /usr/lib/debug/.build-id/5c/c1a53b747a7e4d21198723c2b633e54f3c06d9.debug
Missing separate debuginfo for /lib64/libpthread.so.0
Try: yum --enablerepo='*debug*' install /usr/lib/debug/.build-id/8b/33f7f8c86f8d544c63c5541a8e42b3ddfef8b1.debug
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
Missing separate debuginfo for /lib64/libc.so.6
Try: yum --enablerepo='*debug*' install /usr/lib/debug/.build-id/39/8944d32cf16a67af51067a326e6c0cc14f90ed.debug
Missing separate debuginfo for /lib64/libdl.so.2
Try: yum --enablerepo='*debug*' install /usr/lib/debug/.build-id/18/113e6e83d8e981b8e8d808f7f3dbb23f950a1d.debug
Missing separate debuginfo for /lib64/libutil.so.1
Try: yum --enablerepo='*debug*' install /usr/lib/debug/.build-id/e0/d39e293dc99997e7b4c9b6203301e6cd904b50.debug
Missing separate debuginfo for /lib64/librt.so.1
Try: yum --enablerepo='*debug*' install /usr/lib/debug/.build-id/47/49697bf078337576c4629f0d30b296a0939779.debug
Missing separate debuginfo for /lib64/libm.so.6
Try: yum --enablerepo='*debug*' install /usr/lib/debug/.build-id/56/81c054fdabcf789f4dda66e94f1f6ed1747327.debug
Missing separate debuginfo for <not shown/anaconda3/lib/python3.6/site-packages/numpy/../../../libiomp5.so
Detaching after fork from child process 22253.
Missing separate debuginfo for <not shown>/anaconda3/lib/python3.6/site-packages/torch/lib/libgomp-7c85b1e2.so.1
Try: yum --enablerepo='*debug*' install /usr/lib/debug/.build-id/0c/0cf5452435739ebddf30a881ede53634718e67.debug
Conv init weight... torch.Size([64, 1, 3, 3])
[New Thread 0x7fff985eb780 (LWP 22264)]
[New Thread 0x7fff93ffe800 (LWP 22265)]
[New Thread 0x7fff93bfc880 (LWP 22266)]
[New Thread 0x7fff937fa900 (LWP 22267)]
[New Thread 0x7fff933f8980 (LWP 22268)]
[New Thread 0x7fff92ff6a00 (LWP 22269)]
[New Thread 0x7fff92bf4a80 (LWP 22270)]
[New Thread 0x7fff927f2b00 (LWP 22271)]
[New Thread 0x7fff923f0b80 (LWP 22272)]
[New Thread 0x7fff91feec00 (LWP 22273)]
[New Thread 0x7fff91becc80 (LWP 22274)]
[New Thread 0x7fff917ead00 (LWP 22275)]
[New Thread 0x7fff913e8d80 (LWP 22276)]
[New Thread 0x7fff90fe6e00 (LWP 22277)]
[New Thread 0x7fff90be4e80 (LWP 22278)]
Ok
m.bias= Parameter containing:
tensor([ 0.2156, -0.2471, -0.2311,  0.2540,  0.3309, -0.2287, -0.0188,  0.0131,
        -0.2803, -0.1206,  0.0137,  0.0690,  0.2866, -0.0905,  0.1895, -0.2293,
        -0.2868, -0.0857,  0.0859, -0.0705, -0.2306,  0.1190,  0.2816, -0.2630,
        -0.1347,  0.1569,  0.0185,  0.1192,  0.1095, -0.1121,  0.2065, -0.1344,
         0.1836, -0.0868,  0.2133,  0.2493, -0.0732,  0.0236,  0.0594, -0.2189,
        -0.2067,  0.0991, -0.2000, -0.2467, -0.1080,  0.0670, -0.3130,  0.0110,
         0.1370,  0.3200, -0.0749,  0.2327,  0.0353, -0.0825,  0.1939,  0.0394,
        -0.1851, -0.1426,  0.3325,  0.1034,  0.2023, -0.3244,  0.0966, -0.2637],
       requires_grad=True)
Conv init bias...
Ok
Conv init weight... torch.Size([64, 64, 3, 3])

Program received signal SIGSEGV, Segmentation fault.
0x0000000000000008 in ?? ()