diff --git a/dowhy/datasets.py b/dowhy/datasets.py
index faf2c1afe1..f1eb456f6b 100755
--- a/dowhy/datasets.py
+++ b/dowhy/datasets.py
@@ -10,7 +10,7 @@
 import pandas as pd
 import scipy.stats as ss
 from numpy.random import choice
-from scipy.stats import bernoulli, halfnorm, poisson, uniform)
+from scipy.stats import bernoulli, halfnorm, poisson, uniform
 from sklearn.neural_network import MLPRegressor
 
 from dowhy.utils.graph_operations import add_edge, del_edge, get_random_node_pair, get_simple_ordered_tree
diff --git a/dowhy/graph.py b/dowhy/graph.py
index 3333c3fb41..f739ffc069 100644
--- a/dowhy/graph.py
+++ b/dowhy/graph.py
@@ -1,8 +1,4 @@
-"""This module defines the fundamental interfaces and functions related to causal graphs..
-
-Classes and functions in this module should be considered experimental, meaning there might be breaking API changes in
-the future.
-"""
+"""This module defines the fundamental interfaces and functions related to causal graphs."""
 import itertools
 import logging
 import re