Favour readability over performance for SOF check

pimoroni · Aug 17, 2020 · 78a5e14 · 78a5e14
1 parent ae2a64b
commit 78a5e14
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/adafruit_pm25/__init__.py b/adafruit_pm25/__init__.py
@@ -83,7 +83,7 @@ def read(self):
         # print([hex(i) for i in self._buffer])
 
         # check packet header
-        if (self._buffer[0] != 0x42) or (self._buffer[1] != 0x4D):
+        if not self._buffer[0:2] == b'BM':
             raise RuntimeError("Invalid PM2.5 header")
 
         # check frame length