pylint: fix superfluous-parens cases

Fix all cases of C0325 superfluous-parens.

Part of #270

Author: DifferentialOrange

tarantool/msgpack_ext/decimal.py

@@ -326,7 +326,7 @@ def add_str_digit(digit, digits_reverted, scale):
     :meta private:
     """
 
-    if not (0 <= digit <= 9):
+    if not 0 <= digit <= 9:
         raise MsgpackError('Unexpected MP_DECIMAL digit nibble')
 
     if len(digits_reverted) == scale:

test/suites/lib/remote_tarantool_server.py

@@ -26,7 +26,7 @@ def __init__(self):
         self.args['primary'] = BINARY_PORT
         self.args['admin'] = os.environ['REMOTE_TARANTOOL_CONSOLE_PORT']
 
-        assert(self.args['primary'] != self.args['admin'])
+        assert self.args['primary'] != self.args['admin']
 
         # a name to using for a lock
         self.whoami = get_random_string()
@@ -54,7 +54,7 @@ def acquire_lock(self):
         self.lock_is_acquired = True
 
     def touch_lock(self):
-        assert(self.lock_is_acquired)
+        assert self.lock_is_acquired
         res = self.admin.execute(f'return touch_lock("{self.whoami}")')
         ok = res[0]
         err = res[1] if not ok else None

test/suites/test_dml.py

@@ -111,7 +111,7 @@ def test_02_select(self):
         select_req = self.con.select('space_1', [0], index='secondary')
         self.assertEqual(len(select_req), 99)
         for i in select_req:
-            self.assertTrue(not (i[0] % 5))
+            self.assertTrue(not i[0] % 5)
             self.assertTrue(not i[1])
             self.assertTrue(i[2] == 'tuple_' + str(i[0]))