diff --git a/pylatex/table.py b/pylatex/table.py
index 76689884..fd1f2ded 100644
--- a/pylatex/table.py
+++ b/pylatex/table.py
@@ -247,7 +247,7 @@ def flatten(x):
                 return [a for i in x for a in flatten(i)]
             else:
                 return [x]
-        
+
         flat_list = [c for c in cells] + flatten(cells)
         for c in flat_list:
             if isinstance(c, LatexObject):
diff --git a/tests/test_tabular.py b/tests/test_tabular.py
index dc214e81..d64d3de7 100644
--- a/tests/test_tabular.py
+++ b/tests/test_tabular.py
@@ -4,10 +4,11 @@
 
 # This file contains function that test several Tabular related functionality.
 
+
 def test_tabular_can_add_row_passing_many_arguments(sample_logo_path):
     """
     Test that Tabular can add a row as described in the function body:
-    The first method is to pass the content of each cell as a separate argument. 
+    The first method is to pass the content of each cell as a separate argument.
 
     Returns
     -------
@@ -16,25 +17,26 @@ def test_tabular_can_add_row_passing_many_arguments(sample_logo_path):
     """
     doc = Document()
 
-    with doc.create(Section('Can Add Row Passing Many Arguments')):
-        with doc.create(Tabular("|c|c|", booktabs=True)) as table:                
-            
-            mc1 = MultiColumn(1, align='l', data=StandAloneGraphic(
-                          filename=sample_logo_path))
-            mc2 = MultiColumn(1, align='l', data=StandAloneGraphic(
-                          filename=sample_logo_path))
+    with doc.create(Section("Can Add Row Passing Many Arguments")):
+        with doc.create(Tabular("|c|c|", booktabs=True)) as table:
+
+            mc1 = MultiColumn(
+                1, align="l", data=StandAloneGraphic(filename=sample_logo_path)
+            )
+            mc2 = MultiColumn(
+                1, align="l", data=StandAloneGraphic(filename=sample_logo_path)
+            )
 
-                      
             table.add_row(mc1, mc2)
     doc.generate_pdf(clean_tex=False)
-        
+
 
 def test_tabular_can_add_row_passing_iterable(sample_logo_path):
     """
     Test that Tabular can add a row as described in the function body:
     The second method
     is to pass a single argument that is an iterable that contains each
-    contents. 
+    contents.
 
     Returns
     -------
@@ -43,27 +45,28 @@ def test_tabular_can_add_row_passing_iterable(sample_logo_path):
     """
     doc = Document()
 
-    with doc.create(Section('Can Add Row Passing Iterable')):
-        with doc.create(Tabular("|c|c|", booktabs=True)) as table:                
-                multi_columns_array =  [
-                      MultiColumn(1, align='l', data=StandAloneGraphic(
-                          filename=sample_logo_path)),
-                      MultiColumn(1, align='l', data=StandAloneGraphic(
-                          filename=sample_logo_path))
-                 ]
-                      
-                table.add_row(multi_columns_array)
+    with doc.create(Section("Can Add Row Passing Iterable")):
+        with doc.create(Tabular("|c|c|", booktabs=True)) as table:
+            multi_columns_array = [
+                MultiColumn(
+                    1, align="l", data=StandAloneGraphic(filename=sample_logo_path)
+                ),
+                MultiColumn(
+                    1, align="l", data=StandAloneGraphic(filename=sample_logo_path)
+                ),
+            ]
+
+            table.add_row(multi_columns_array)
     doc.generate_pdf()
 
-if __name__ == '__main__':
-    
-    import os.path as osp    
-    
-    sample_logo_path = osp.abspath(osp.join(
-        __file__[0:-15], "..", "examples", "sample-logo.png"))
-    
-    test_tabular_can_add_row_passing_many_arguments(
-        sample_logo_path=sample_logo_path)
-    test_tabular_can_add_row_passing_iterable(
-        sample_logo_path=sample_logo_path)
 
+if __name__ == "__main__":
+
+    import os.path as osp
+
+    sample_logo_path = osp.abspath(
+        osp.join(__file__[0:-15], "..", "examples", "sample-logo.png")
+    )
+
+    test_tabular_can_add_row_passing_many_arguments(sample_logo_path=sample_logo_path)
+    test_tabular_can_add_row_passing_iterable(sample_logo_path=sample_logo_path)