[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

khal/configwizard.py

@@ -355,14 +355,12 @@ def create_config(vdirs, dateformat, timeformat, default_calendar=None):
         config.append(f'type = {type_}')
 
     config.append('\n[locale]')
-    config.append('timeformat = {timeformat}\n'
-                  'dateformat = {dateformat}\n'
-                  'longdateformat = {longdateformat}\n'
-                  'datetimeformat = {dateformat} {timeformat}\n'
-                  'longdatetimeformat = {longdateformat} {timeformat}\n'
-                  .format(timeformat=timeformat,
-                          dateformat=dateformat,
-                          longdateformat=dateformat))
+    config.append(f'timeformat = {timeformat}\n'
+                  f'dateformat = {dateformat}\n'
+                  f'longdateformat = {dateformat}\n'
+                  f'datetimeformat = {dateformat} {timeformat}\n'
+                  f'longdatetimeformat = {dateformat} {timeformat}\n'
+                  )
     if default_calendar:
         config.append('[default]')
         config.append(f'default_calendar = {default_calendar}\n')

khal/khalendar/backend.py

@@ -329,8 +329,8 @@ def update_vcf_dates(self, vevent_str: str, href: str, etag: str='',
                     self.sql_ex(sql_s, stuple)
                 except sqlite3.IntegrityError as error:
                     raise UpdateFailed('Database integrity error creating birthday event '
-                                       'on {} for contact {} (UID: {}): '
-                                       '{}'.format(date, name, uuid, error))
+                                       f'on {date} for contact {name} (UID: {uuid}): '
+                                       f'{error}')
 
     def _update_impl(self, vevent: icalendar.cal.Event, href: str, calendar: str) -> None:
         """insert `vevent` into the database

khal/khalendar/event.py

@@ -426,9 +426,7 @@ def summary(self) -> str:
                 suffix = 'rd'
             else:
                 suffix = 'th'
-            return '{name}\'s {number}{suffix} {desc}{leap}'.format(
-                name=name, number=number, suffix=suffix, desc=description, leap=leap,
-            )
+            return f'{name}\'s {number}{suffix} {description}{leap}'
         else:
             return self._vevents[self.ref].get('SUMMARY', '')
 

khal/ui/__init__.py

@@ -138,11 +138,7 @@ def relative_day(self, day: dt.date, dtformat: str) -> str:
 
         approx_delta = utils.relative_timedelta_str(day)
 
-        return '{weekday}, {day} ({approx_delta})'.format(
-            weekday=weekday,
-            approx_delta=approx_delta,
-            day=daystr,
-        )
+        return f'{weekday}, {daystr} ({approx_delta})'
 
     def keypress(self, _, key: str) -> str:
         binds = self._conf['keybindings']

khal/utils.py

@@ -174,12 +174,7 @@ def relative_timedelta_str(day: dt.date) -> str:
     if count > 1:
         unit += 's'
 
-    return '{approx}{count} {unit} {direction}'.format(
-        approx=approx,
-        count=count,
-        unit=unit,
-        direction=direction,
-    )
+    return f'{approx}{count} {unit} {direction}'
 
 
 def get_wrapped_text(widget):