1 files changed, 10 insertions, 7 deletions
diff --git a/glucometerutils/exceptions.py b/glucometerutils/exceptions.py
index 53aa980..52e4d22 100644
--- a/glucometerutils/exceptions.py
+++ b/glucometerutils/exceptions.py
@@ -3,6 +3,7 @@
 # SPDX-License-Identifier: MIT
 """Common exceptions for glucometerutils."""
 
+
 class Error(Exception):
     """Base class for the errors."""
 
@@ -14,7 +15,7 @@ class CommandLineError(Error):
 class ConnectionFailed(Error):
     """It was not possible to connect to the meter."""
 
-    def __init__(self, message='Unable to connect to the meter.'):
+    def __init__(self, message="Unable to connect to the meter."):
         super(ConnectionFailed, self).__init__(message)
 
 
@@ -30,14 +31,16 @@ class InvalidResponse(Error):
 
     def __init__(self, response):
         super(InvalidResponse, self).__init__(
-            'Invalid response received:\n%s' % response)
+            "Invalid response received:\n%s" % response
+        )
 
 
 class InvalidChecksum(InvalidResponse):
     def __init__(self, wire, calculated):
         super(InvalidChecksum, self).__init__(
-            'Response checksum not matching: %08x (wire) != %08x (calculated)' %
-            (wire, calculated))
+            "Response checksum not matching: %08x (wire) != %08x (calculated)"
+            % (wire, calculated)
+        )
 
 
 class InvalidGlucoseUnit(Error):
@@ -45,12 +48,12 @@ class InvalidGlucoseUnit(Error):
 
     def __init__(self, unit):
         super(InvalidGlucoseUnit, self).__init__(
-            'Invalid glucose unit received:\n%s' % unit)
+            "Invalid glucose unit received:\n%s" % unit
+        )
 
 
 class InvalidDateTime(Error):
     """The device has an invalid date/time setting."""
 
     def __init__(self):
-        super(InvalidDateTime, self).__init__(
-            'Invalid date and time for device')
+        super(InvalidDateTime, self).__init__("Invalid date and time for device")