Fix tail forever bug in read_frames

aosstower/l00/parser.py

@@ -179,7 +179,8 @@ def read_frames(source, error_handler=lambda *a: None, tail=False):
                 line = fptr.readline()
                 if not line.strip():
                     time.sleep(0.1)
-                    yield idx, line
+                    continue
+                yield idx, line
                 idx += 1
     else:
         def gen():