1313if sys .version_info < min_version :
1414error = """
1515Beginning with Matplotlib 3.1, Python {0} or above is required.
16+ You are using Python {1}.
1617
1718This may be due to an out of date pip.
1819
1920Make sure you have pip >= 9.0.1.
20- """ .format ('.' .join (str (n )for n in min_version )),
21+ """ .format ('.' .join (str (n )for n in min_version ),
22+ '.' .join (str (n )for n in sys .version_info [:3 ]))
2123sys .exit (error )
2224
2325from pathlib import Path
@@ -112,8 +114,9 @@ def _download_jquery_to(dest):
112114try :
113115buff = download_or_cache (url ,sha )
114116except Exception :
115- raise IOError (f"Failed to download jquery-ui. Please download "
116- f"{ url } { dest } )
117+ raise IOError (
118+ "Failed to download jquery-ui. Please download "
119+ "{url} and extract it to {dest}." .format (url = url ,dest = dest ))
117120with ZipFile (buff )as zf :
118121zf .extractall (dest )
119122
@@ -154,7 +157,7 @@ def run(self):
154157# If the user just queries for information, don't bother figuring out which
155158# packages to build or install.
156159if not (any ('--' + opt in sys .argv
157- for opt in [ * Distribution .display_option_names , 'help' ])
160+ for opt in Distribution .display_option_names + [ 'help' ])
158161or 'clean' in sys .argv ):
159162# Go through all of the packages and figure out which ones we are
160163# going to build/install.
@@ -169,10 +172,11 @@ def run(self):
169172try :
170173message = package .check ()
171174except setupext .Skipped as e :
172- print_status (package .name ,f "no [{ e }
175+ print_status (package .name ,"no [{e}]" . format ( e = e ) )
173176continue
174177if message is not None :
175- print_status (package .name ,f"yes [{ message } )
178+ print_status (package .name ,
179+ "yes [{message}]" .format (message = message ))
176180good_packages .append (package )
177181
178182print_raw ()