diff --git a/tqdm/std.py b/tqdm/std.py
index c8ba64ea..1519b7ca 100644
--- a/tqdm/std.py
+++ b/tqdm/std.py
@@ -546,7 +546,7 @@ class tqdm(Comparable):
                 '{0}{1} [{2}, {3}{4}]'.format(
                     n_fmt, unit, elapsed_str, rate_fmt, postfix)
 
-    def __new__(cls, *args, **_):
+    def __new__(cls, *_, **__):
         # Create a new instance
         instance = object.__new__(cls)
         # Construct the lock if it does not exist
diff --git a/tqdm/tests/tests_synchronisation.py b/tqdm/tests/tests_synchronisation.py
index c390353d..2191f22b 100644
--- a/tqdm/tests/tests_synchronisation.py
+++ b/tqdm/tests/tests_synchronisation.py
@@ -15,18 +15,22 @@ class Time(object):
 
     @classmethod
     def reset(cls):
+        """zeroes internal offset"""
         cls.offset = 0
 
     @classmethod
     def time(cls):
+        """time.time() + offset"""
         return time() + cls.offset
 
     @staticmethod
     def sleep(dur):
+        """identical to time.sleep()"""
         return sleep(dur)
 
     @classmethod
     def fake_sleep(cls, dur):
+        """adds `dur` to internal offset"""
         cls.offset += dur
         sleep(0.000001)  # sleep to allow interrupt (instead of pass)
 
diff --git a/tqdm/tests/tests_tqdm.py b/tqdm/tests/tests_tqdm.py
index 47cabc2b..af2f2601 100644
--- a/tqdm/tests/tests_tqdm.py
+++ b/tqdm/tests/tests_tqdm.py
@@ -1811,8 +1811,10 @@ def patch_lock(thread=True):
         raise SkipTest
 
     def outer(func):
+        """actual decorator"""
         @wraps(func)
         def inner(*args, **kwargs):
+            """set & reset lock even if exceptions occur"""
             default_lock = tqdm.get_lock()
             try:
                 tqdm.set_lock(lock)