@@ -184,8 +184,8 @@ def _crc_error(self, rsp_bytes):
184184
185185 if seq_number != expected_seq_number :
186186 if self ._debug :
187- print (( 'Sequence number mismatch. Expected '
188- f'{ expected_seq_number } , received { seq_number } .' ) )
187+ print ('Sequence number mismatch. Expected ' + \
188+ f'{ expected_seq_number } , received { seq_number } .' )
189189 return True
190190 elif crc != computed_crc :
191191 if self ._debug :
@@ -245,8 +245,8 @@ def _transaction_timeout_seconds(self, req):
245245 elif 'cmd' in req :
246246 req_key = 'cmd'
247247 else :
248- raise Exception (( 'Malformed request. Missing \' req\' or \' cmd\' '
249- f'field: { req } .' ) )
248+ raise Exception ('Malformed request. Missing \' req\' or \' cmd\' ' + \
249+ f'field: { req } .' )
250250
251251 if req [req_key ] == 'note.add' :
252252 if 'milliseconds' in req :
@@ -328,17 +328,17 @@ def Transaction(self, req, lock=True):
328328 if 'err' in rsp_json :
329329 if '{io}' in rsp_json ['err' ]:
330330 if self ._debug :
331- print (( 'Response has error field indicating I/O'
332- f' error: { rsp_json } ') )
331+ print ('Response has error field indicating ' + \
332+ f'I/O error: { rsp_json } ' )
333333
334334 error = True
335335 retries_left -= 1
336336 time .sleep (0.5 )
337337 continue
338338 elif '{bad-bin}' in rsp_json ['err' ]:
339339 if self ._debug :
340- print (( 'Response has error field indicating '
341- f'binary I/O error: { rsp_json } ' ) )
340+ print ('Response has error field indicating ' + \
341+ f'binary I/O error: { rsp_json } ' )
342342 print ('Not eligible for retry.' )
343343
344344 error = True
@@ -415,8 +415,8 @@ def _transact(self, req_bytes, rsp_expected,
415415 start = start_timeout ()
416416 while not self ._available ():
417417 if timeout_secs != 0 and has_timed_out (start , timeout_secs ):
418- raise Exception (( 'Timed out while querying Notecard for '
419- 'available data.' ) )
418+ raise Exception ('Timed out while querying Notecard for ' + \
419+ 'available data.' )
420420
421421 # Delay for 10 ms before checking for available data again.
422422 time .sleep (.01 )
@@ -433,8 +433,8 @@ def receive(self, timeout_secs=CARD_INTRA_TRANSACTION_TIMEOUT_SEC,
433433 while not received_newline :
434434 while not self ._available ():
435435 if timeout_secs != 0 and has_timed_out (start , timeout_secs ):
436- raise Exception (( 'Timed out waiting to receive data from '
437- ' Notecard.') )
436+ raise Exception ('Timed out waiting to receive data from' + \
437+ ' Notecard.' )
438438
439439 # Sleep while awaiting the first byte (lazy). After the first
440440 # byte, start to spin for the remaining bytes (greedy).
@@ -521,13 +521,13 @@ def Reset(self):
521521
522522 if not something_found :
523523 if self ._debug :
524- print (( 'Notecard not responding to newline during '
525- 'reset.' ) )
524+ print ('Notecard not responding to newline during ' + \
525+ 'reset.' )
526526
527527 elif non_control_char_found :
528528 if self ._debug :
529- print (( 'Received non-control characters from the '
530- 'Notecard during reset.' ) )
529+ print ('Received non-control characters from the ' + \
530+ 'Notecard during reset.' )
531531 else :
532532 # If all we got back is newlines, we're in sync with the
533533 # Notecard.
@@ -575,9 +575,9 @@ def __init__(self, uart_id, debug=False):
575575 if hasattr (self .uart , 'in_waiting' ):
576576 self ._available = self ._available_default
577577 else :
578- raise NotImplementedError (( 'Serial communications with the '
579- 'Notecard are not supported for this'
580- ' platform.') )
578+ raise NotImplementedError ('Serial communications with the ' + \
579+ 'Notecard are not supported for ' + \
580+ ' this platform.' )
581581
582582 self .Reset ()
583583
@@ -610,9 +610,9 @@ def _read(self, length):
610610 data = read_buf [2 :]
611611
612612 if len (data ) != data_len :
613- raise Exception (( 'Serial-over-I2C error: reported data length '
614- f'({ data_len } ) differs from actual data length'
615- f' ({ len (data )} ).' ) )
613+ raise Exception ('Serial-over-I2C error: reported data length ' + \
614+ f'({ data_len } ) differs from actual data length' + \
615+ f' ({ len (data )} ).' )
616616
617617 return available , data
618618
@@ -653,8 +653,8 @@ def receive(self, timeout_secs=CARD_INTRA_TRANSACTION_TIMEOUT_SEC,
653653 break
654654
655655 if timeout_secs != 0 and has_timed_out (start , timeout_secs ):
656- raise Exception (( 'Timed out while reading data from the '
657- 'Notecard.' ) )
656+ raise Exception ('Timed out while reading data from the ' + \
657+ 'Notecard.' )
658658
659659 if delay :
660660 time .sleep (0.05 )
@@ -708,8 +708,8 @@ def _transact(self, req_bytes, rsp_expected,
708708 available , _ = self ._read (0 )
709709
710710 if timeout_secs != 0 and has_timed_out (start , timeout_secs ):
711- raise Exception (( 'Timed out while querying Notecard for '
712- 'available data.' ) )
711+ raise Exception ('Timed out while querying Notecard for ' + \
712+ 'available data.' )
713713
714714 return self .receive ()
715715
@@ -768,13 +768,13 @@ def Reset(self):
768768
769769 if not something_found :
770770 if self ._debug :
771- print (( 'Notecard not responding to newline during '
772- 'reset.' ) )
771+ print ('Notecard not responding to newline during ' + \
772+ 'reset.' )
773773 time .sleep (.005 )
774774 elif non_control_char_found :
775775 if self ._debug :
776- print (( 'Received non-control characters from the '
777- 'Notecard during reset.' ) )
776+ print ('Received non-control characters from the ' + \
777+ 'Notecard during reset.' )
778778 else :
779779 # If all we got back is newlines, we're in sync with the
780780 # Notecard.
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