fix(logger): missing attribute when using colab (#1443)

yolox/utils/logger.py

@@ -60,6 +60,14 @@ def write(self, buf):
     def flush(self):
         pass
 
+    def isatty(self):
+        # when using colab, jax is installed by default and issue like
+        # https://github.com/Megvii-BaseDetection/YOLOX/issues/1437 might be raised
+        # due to missing attribute like`isatty`.
+        # For more details, checked the following link:
+        # https://github.com/google/jax/blob/10720258ea7fb5bde997dfa2f3f71135ab7a6733/jax/_src/pretty_printer.py#L54  # noqa
+        return True
+
 
 def redirect_sys_output(log_level="INFO"):
     redirect_logger = StreamToLoguru(log_level)