#68 Minor improvements in sleeping while fetching state

py_driver/driver.py

@@ -211,15 +211,13 @@ def update_state(self, tube=None, quick=False, initial=False):
             # wait for device to be ready again after requesting state
             while not self.ready():
                 sleep(0.1)
+                total_wait += 0.1
 
             # todo: not robust looking for {
             if self.last_printed_buf_line > size_buffer and self.read_buffer[-2][0] == '{':
                 # If we received a line starting with {, we have received the new state.
                 break
 
-            sleep(0.1)
-            total_wait += 0.1
-
             if total_wait > COMMUNICATION_TIMEOUT and self.ready():
                 raise RuntimeError(
                     f"Waiting too long for state to be communicated. {self.busy=}, {self.ready()=}")