Remove unneeded guarding

Author: bouwew

plugwise/nodes/circle.py

@@ -319,27 +319,26 @@ def request_power_buffer(self, log_address=None, callback=None):
         """Request power log of specified address"""
         if log_address is None:
             log_address = self._last_log_address
-        if log_address is not None:
-            if bool(self.power_history):
-                # Only request last 2 power buffer logs
-                self.stick.send(
-                    CirclePowerBufferRequest(self.mac, log_address - 1),
-                )
-                self.stick.send(
-                    CirclePowerBufferRequest(self.mac, log_address),
-                    callback,
-                )
-            else:
-                # Collect power history info of today and yesterday
-                # Each request contains 4 hours except last request
-                for req_log_address in range(log_address - 13, log_address):
-                    self.stick.send(
-                        CirclePowerBufferRequest(self.mac, req_log_address),
-                    )
+        if bool(self.power_history):
+            # Only request last 2 power buffer logs
+            self.stick.send(
+                CirclePowerBufferRequest(self.mac, log_address - 1),
+            )
+            self.stick.send(
+                CirclePowerBufferRequest(self.mac, log_address),
+                callback,
+            )
+        else:
+            # Collect power history info of today and yesterday
+            # Each request contains 4 hours except last request
+            for req_log_address in range(log_address - 13, log_address):
                 self.stick.send(
-                    CirclePowerBufferRequest(self.mac, log_address),
-                    callback,
+                    CirclePowerBufferRequest(self.mac, req_log_address),
                 )
+            self.stick.send(
+                CirclePowerBufferRequest(self.mac, log_address),
+                callback,
+            )
 
     def _response_power_buffer(self, message):
         """returns information about historical power usage