Merge pull request #569 from Low-power/handle-eagain-on-write-pty

Ignore BlockingIOError when trying to write pty master fd

asciinema/pty_.py

@@ -158,8 +158,11 @@ def record(
                             handle_resize()
 
             if pty_fd in wfds:
+                try:
                     n = os.write(pty_fd, input_data)
                     input_data = input_data[n:]
+                except BlockingIOError:
+                    pass
 
     pid, pty_fd = pty.fork()