diff --git a/benchmarks/benchmarks.py b/benchmarks/benchmarks.py
index 5698600d..37f5df41 100644
--- a/benchmarks/benchmarks.py
+++ b/benchmarks/benchmarks.py
@@ -22,7 +22,7 @@ class Comparison:
     def run(self, cls):
         pbar = cls(self.iterable)
         t0 = self.time()
-        [0 for _ in pbar]
+        [0 for _ in pbar]  # pylint: disable=pointless-statement
         t1 = self.time()
         return t1 - t0
 
diff --git a/examples/include_no_requirements.py b/examples/include_no_requirements.py
index 3682d884..c51a85cb 100644
--- a/examples/include_no_requirements.py
+++ b/examples/include_no_requirements.py
@@ -7,3 +7,5 @@ except ImportError:
         if args:
             return args[0]
         return kwargs.get('iterable', None)
+
+__all__ = ['tqdm']
diff --git a/tests/tests_main.py b/tests/tests_main.py
index 56453624..c02c896b 100644
--- a/tests/tests_main.py
+++ b/tests/tests_main.py
@@ -61,7 +61,7 @@ def test_main_import():
     sys.argv = ['', '--desc', 'Test CLI import',
                 '--ascii', 'True', '--unit_scale', 'True']
     try:
-        import tqdm.__main__  # NOQA
+        import tqdm.__main__  # NOQA, pylint: disable=unused-variable
     finally:
         sys.stdin, sys.argv = _SYS
 
diff --git a/tqdm/_utils.py b/tqdm/_utils.py
index 5bf54bb8..2228691e 100644
--- a/tqdm/_utils.py
+++ b/tqdm/_utils.py
@@ -1,7 +1,7 @@
 from warnings import warn
 
 from .std import TqdmDeprecationWarning
-from .utils import (  # NOQA
+from .utils import (  # NOQA, pylint: disable=unused-import
     CUR_OS, IS_NIX, IS_WIN, RE_ANSI, Comparable, FormatReplace, SimpleTextIOWrapper,
     _basestring, _environ_cols_wrapper, _is_ascii, _is_utf, _range, _screen_shape_linux,
     _screen_shape_tput, _screen_shape_windows, _screen_shape_wrapper, _supports_unicode,
diff --git a/tqdm/notebook.py b/tqdm/notebook.py
index a1f6f8e1..1e1431d8 100644
--- a/tqdm/notebook.py
+++ b/tqdm/notebook.py
@@ -248,9 +248,9 @@ class tqdm_notebook(std_tqdm):
         if not self.disable:
             self.display()
 
-    def __iter__(self, *args, **kwargs):
+    def __iter__(self):
         try:
-            for obj in super(tqdm_notebook, self).__iter__(*args, **kwargs):
+            for obj in super(tqdm_notebook, self).__iter__():
                 # return super(tqdm...) will not catch exception
                 yield obj
         # NB: except ... [ as ...] breaks IPython async KeyboardInterrupt
@@ -260,9 +260,9 @@ class tqdm_notebook(std_tqdm):
         # NB: don't `finally: close()`
         # since this could be a shared bar which the user will `reset()`
 
-    def update(self, *args, **kwargs):
+    def update(self, n=1):
         try:
-            return super(tqdm_notebook, self).update(*args, **kwargs)
+            return super(tqdm_notebook, self).update(n=n)
         # NB: except ... [ as ...] breaks IPython async KeyboardInterrupt
         except:  # NOQA
             # cannot catch KeyboardInterrupt when using manual tqdm
@@ -272,8 +272,8 @@ class tqdm_notebook(std_tqdm):
         # NB: don't `finally: close()`
         # since this could be a shared bar which the user will `reset()`
 
-    def close(self, *args, **kwargs):
-        super(tqdm_notebook, self).close(*args, **kwargs)
+    def close(self):
+        super(tqdm_notebook, self).close()
         # Try to detect if there was an error or KeyboardInterrupt
         # in manual mode: if n < total, things probably got wrong
         if self.total and self.n < self.total: