lint fix

Signed-off-by: {Johann Heyszl} <[email protected]>

cw/waverunner.py

@@ -372,15 +372,15 @@ def capture_and_transfer_waves(self):
         res = self._ask("WAIT 10;*OPC?")
         assert res == "*OPC 1"
         # Transfer and parse waveform data.
-        if self.acqu_channel == "C1": 
+        if self.acqu_channel == "C1":
             data = self._ask_raw(b"C1:WF? DAT1")
-        elif self.acqu_channel == "C2": 
+        elif self.acqu_channel == "C2":
             data = self._ask_raw(b"C2:WF? DAT1")
-        elif self.acqu_channel == "C3": 
+        elif self.acqu_channel == "C3":
             data = self._ask_raw(b"C3:WF? DAT1")
-        elif self.acqu_channel == "C4": 
+        elif self.acqu_channel == "C4":
             data = self._ask_raw(b"C4:WF? DAT1")
-        else: 
+        else:
             print("WAVERUNNER: Error: Channel selection invalid")
         waves = self._parse_waveform(data)
         return waves