Fixed formatting

Author: Dawson R

click_datetime/__init__.py

@@ -1,16 +1,16 @@
-
 import click
 from datetime import datetime
 
+
 class Datetime(click.ParamType):
-    '''
+    """
     A datetime object parsed via datetime.strptime.
 
     Format specifiers can be found here :
     https://docs.python.org/3/library/datetime.html#strftime-strptime-behavior
-    '''
+    """
 
-    name = 'date'
+    name = "date"
 
     def __init__(self, format):
         self.format = format
@@ -26,5 +26,12 @@ def convert(self, value, param, ctx):
             datetime_value = datetime.strptime(value, self.format)
             return datetime_value
         except ValueError as ex:
-            self.fail('Could not parse datetime string "{datetime_str}" formatted as {format} ({ex})'.format(
-                datetime_str=value, format=self.format, ex=ex,), param, ctx)
+            self.fail(
+                'Could not parse datetime string "{datetime_str}" formatted as {format} ({ex})'.format(
+                    datetime_str=value,
+                    format=self.format,
+                    ex=ex,
+                ),
+                param,
+                ctx,
+            )