pylint: fix redundant-u-string-prefix cases

Fix all cases of W1406 redundant-u-string-prefix.

Part of #270

Author: DifferentialOrange

docs/source/conf.py

@@ -48,8 +48,8 @@
 master_doc = 'index'
 
 # General information about the project.
-project = u'Tarantool python client library'
-copyright = u'2011-2022, tarantool-python AUTHORS'
+project = 'Tarantool python client library'
+copyright = '2011-2022, tarantool-python AUTHORS'
 
 # The version info for the project you're documenting, acts as replacement for
 # |version| and |release|, also used in various other places throughout the
@@ -280,8 +280,8 @@
 # Grouping the document tree into LaTeX files. List of tuples
 # (source start file, target name, title, author, documentclass [howto/manual]).
 latex_documents = [
-  ('index', 'Tarantoolpythonclientlibrary.tex', u'Tarantool python client library Documentation',
-   u'tarantool-python AUTHORS', 'manual'),
+  ('index', 'Tarantoolpythonclientlibrary.tex', 'Tarantool python client library Documentation',
+   'tarantool-python AUTHORS', 'manual'),
 ]
 
 # The name of an image file (relative to this directory) to place at the top of
@@ -310,8 +310,8 @@
 # One entry per manual page. List of tuples
 # (source start file, name, description, authors, manual section).
 man_pages = [
-    ('index', 'tarantoolpythonclientlibrary', u'Tarantool python client library Documentation',
-     [u'tarantool-python AUTHORS'], 1)
+    ('index', 'tarantoolpythonclientlibrary', 'Tarantool python client library Documentation',
+     ['tarantool-python AUTHORS'], 1)
 ]
 
 # If true, show URL addresses after external links.
@@ -324,8 +324,8 @@
 # (source start file, target name, title, author,
 #  dir menu entry, description, category)
 texinfo_documents = [
-  ('index', 'Tarantoolpythonclientlibrary', u'Tarantool python client library Documentation',
-   u'tarantool-python AUTHORS', 'Tarantoolpythonclientlibrary', 'One line description of project.',
+  ('index', 'Tarantoolpythonclientlibrary', 'Tarantool python client library Documentation',
+   'tarantool-python AUTHORS', 'Tarantoolpythonclientlibrary', 'One line description of project.',
    'Miscellaneous'),
 ]
 

test/suites/test_schema.py

@@ -94,15 +94,9 @@ def setUpClass(cls):
                                                                       fetch_schema=False)
         cls.sch = cls.con.schema
 
-        # The relevant test cases mainly target Python 2, where
-        # a user may want to pass a string literal as a space or
-        # an index name and don't bother whether all symbols in it
-        # are ASCII.
         cls.unicode_space_name_literal = '∞'
         cls.unicode_index_name_literal = '→'
 
-        cls.unicode_space_name_u = u'∞'
-        cls.unicode_index_name_u = u'→'
         cls.unicode_space_id, cls.unicode_index_id = cls.srv.admin("""
             do
                 local space = box.schema.create_space('\\xe2\\x88\\x9e')
@@ -164,13 +158,13 @@ def fetch_count(self):
 
     def verify_unicode_space(self, space):
         self.assertEqual(space.sid, self.unicode_space_id)
-        self.assertEqual(space.name, self.unicode_space_name_u)
+        self.assertEqual(space.name, self.unicode_space_name_literal)
         self.assertEqual(space.arity, 1)
 
     def verify_unicode_index(self, index):
-        self.assertEqual(index.space.name, self.unicode_space_name_u)
+        self.assertEqual(index.space.name, self.unicode_space_name_literal)
         self.assertEqual(index.iid, self.unicode_index_id)
-        self.assertEqual(index.name, self.unicode_index_name_u)
+        self.assertEqual(index.name, self.unicode_index_name_literal)
         self.assertEqual(len(index.parts), 1)
 
     def test_01_space_bad(self):