update syntax with pyupgrade

Change-Id: Id9e51cc688c717f7c9f2c191fb84f05962f0ac64
---
M scripts/category_graph.py
M scripts/replicate_wiki.py
M pywikibot/scripts/wrapper.py
M scripts/clean_sandbox.py
M scripts/dataextend.py
M scripts/archivebot.py
6 files changed, 16 insertions(+), 8 deletions(-)

diff --git a/pywikibot/scripts/wrapper.py b/pywikibot/scripts/wrapper.py
index d996f02..6e64d15 100755
--- a/pywikibot/scripts/wrapper.py
+++ b/pywikibot/scripts/wrapper.py
@@ -250,7 +250,7 @@
                 # print the minimal requirement
                 _print_requirements(
                     ['setuptools>=20.8.1'], None,
-                    'outdated ({})'.format(setuptools.__version__))
+                    f'outdated ({setuptools.__version__})')
                 return False
             raise e
 
@@ -330,7 +330,7 @@
     assert 0.0 < config.pwb_cut_off < 1.0, \
         'config.pwb_cut_off must be a float in range [0, 1]'
 
-    error('{} not found! Misspelling?'.format(filename))
+    error(f'{filename} not found! Misspelling?')
 
     scripts = {}
 
diff --git a/scripts/archivebot.py b/scripts/archivebot.py
index ec9e4db..e57e547 100755
--- a/scripts/archivebot.py
+++ b/scripts/archivebot.py
@@ -649,7 +649,7 @@
         keep_threads = []
         threads_per_archive = defaultdict(list)
         whys = set()
-        pywikibot.info('Processing {} threads'.format(len(self.page.threads)))
+        pywikibot.info(f'Processing {len(self.page.threads)} threads')
         fields = self.get_params(self.now, 0).keys()  # dummy parameters
         regex = re.compile(r'%(\((?:{})\))d'.format('|'.join(fields)))
         stringpattern = regex.sub(r'%\1s', pattern)
diff --git a/scripts/category_graph.py b/scripts/category_graph.py
index 42cca2d..14f0d1c 100755
--- a/scripts/category_graph.py
+++ b/scripts/category_graph.py
@@ -41,7 +41,6 @@
 # Distributed under the terms of the MIT license.
 #
 import argparse
-import io
 from collections import defaultdict
 
 import pywikibot
@@ -192,7 +191,7 @@
                   'src="https://unpkg.com/panzoom@9.4.0/dist/panzoom.min.js" '
                   'query="#graph0" name="pz"></script>\n'
                   '<style> svg { height:100%; width:100%; } </style>\n')
-        with io.open(self.to + '.html', mode='wb') as o:
+        with open(self.to + '.html', mode='wb') as o:
             o.write(header.encode())
             o.write(self.dot.create('dot', 'svg', encoding='utf-8'))
 
diff --git a/scripts/clean_sandbox.py b/scripts/clean_sandbox.py
index 2beb82b..1cb6f34 100755
--- a/scripts/clean_sandbox.py
+++ b/scripts/clean_sandbox.py
@@ -307,7 +307,7 @@
                 "can't be provided at the same time")
             return
         try:
-            with open(textfile_opt, 'r', encoding='utf-8') as textfile:
+            with open(textfile_opt, encoding='utf-8') as textfile:
                 opts['text'] = textfile.read()
         except OSError as e:
             pywikibot.error(f'Error loading {opts["textfile"]}: {e}')
diff --git a/scripts/dataextend.py b/scripts/dataextend.py
index 713299f..6799f31 100755
--- a/scripts/dataextend.py
+++ b/scripts/dataextend.py
@@ -455,7 +455,7 @@
             for claim in claims[prop]:
                 if claim.type == 'wikibase-item':
                     if claim.getTarget() is None:
-                        pywikibot.info('{}: unknown'.format(self.label(prop)))
+                        pywikibot.info(f'{self.label(prop)}: unknown')
                     else:
                         pywikibot.info(
                             '{}: {}'
diff --git a/scripts/replicate_wiki.py b/scripts/replicate_wiki.py
index 12191e4..f128eee 100755
--- a/scripts/replicate_wiki.py
+++ b/scripts/replicate_wiki.py
@@ -125,7 +125,7 @@
         if self.options.namespace:
             pywikibot.info(str(self.options.namespace))
             namespaces = [int(self.options.namespace)]
-        pywikibot.info('Checking these namespaces: {}\n'.format((namespaces,)))
+        pywikibot.info(f'Checking these namespaces: {namespaces}\n')
 
         for ns in namespaces:
             self.check_namespace(ns)

