diff --git a/bnlearn/__init__.py b/bnlearn/__init__.py
index ac63d03..813679e 100644
--- a/bnlearn/__init__.py
+++ b/bnlearn/__init__.py
@@ -38,7 +38,7 @@
 
 __author__ = 'Erdogan Tasksen'
 __email__ = 'erdogant@gmail.com'
-__version__ = '0.8.4'
+__version__ = '0.8.5'
 
 import pgmpy
 # Check version pgmpy
@@ -48,19 +48,23 @@
 # Version check
 import matplotlib
 if not version.parse(matplotlib.__version__) >= version.parse("3.3.4"):
-    raise ImportError('[bnlearn] >Error: Matplotlib version should be >= v3.3.4.\nTry to: pip install -U matplotlib')
+    raise ImportError('[bnlearn] >Error: Matplotlib version should be >= v3.3.4\nTry to: pip install -U matplotlib')
 
 import networkx as nx
 if not version.parse(nx.__version__) >= version.parse("2.7.1"):
-    raise ImportError('[bnlearn] >Error: networkx version should be > 2.7.1.\nTry to: pip install -U networkx')
+    raise ImportError('[bnlearn] >Error: networkx version should be > 2.7.1\nTry to: pip install -U networkx')
 
 import numpy as np
 if not version.parse(np.__version__) >= version.parse("1.24.1"):
-    raise ImportError('[bnlearn] >Error: numpy version should be > 1.24.1.\nTry to: pip install -U numpy')
+    raise ImportError('[bnlearn] >Error: numpy version should be > 1.24.1\nTry to: pip install -U numpy')
 
 import pandas as pd
 if not version.parse(pd.__version__) <= version.parse("1.5.3"):
-    raise ImportError('[bnlearn] >Error: pands version should be <= 1.5.3.')
+    raise ImportError('[bnlearn] >Error: pands version should be <= 1.5.3')
+
+import d3blocks as d3
+if not version.parse(d3.__version__) <= version.parse("1.4.9"):
+    raise ImportError('[bnlearn] >Error: d3blocks version should be >= 1.4.9')
 
 # module level doc-string
 __doc__ = """
diff --git a/bnlearn/examples.py b/bnlearn/examples.py
index bf9767d..f467d7c 100644
--- a/bnlearn/examples.py
+++ b/bnlearn/examples.py
@@ -1,10 +1,10 @@
 import bnlearn as bn
 # Load asia DAG
-model_true = bn.import_DAG('asia')
+model = bn.import_DAG('asia')
 # plot ground truth
-G = bn.plot(model_true)
+G = bn.plot(model)
 
-Gi = bn.plot(model_true, interactive=True)
+Gi = bn.plot(model, interactive=True)
 
 # %% issue plot static vs dynamic is different
 import bnlearn as bn
diff --git a/requirements.txt b/requirements.txt
index a2e76a8..b836725 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,6 +3,7 @@ networkx>='2.7.1'
 matplotlib>='3.3.4'
 numpy>='1.24.1'
 pandas==1.5.3
+d3blocks>='1.4.9'
 tqdm
 ismember
 scikit-learn
diff --git a/setup.py b/setup.py
index d5f8a96..f24c945 100644
--- a/setup.py
+++ b/setup.py
@@ -18,6 +18,7 @@
                        "matplotlib>=3.3.4",
                        "numpy>=1.24.1",
                        'pandas==1.5.3',
+                       'd3blocks>=1.4.9',
                        'tqdm',
                        'ismember',
                        'scikit-learn',