style: format code with Black

This commit fixes the style issues introduced in 5942136 according to the output
from Black.

Details: #193

Author: deepsource-autofix[bot]

tests/test___main__.py

@@ -1,4 +1,5 @@
 """Test __main__.py."""
+
 # pylint: disable=import-error, wrong-import-position
 
 import sys
@@ -12,26 +13,26 @@
 def test_main_entry_point_structure():
     """Test __main__.py file structure."""
     # Read the __main__.py file to verify its structure
-    main_path = os.path.join(os.path.dirname(os.path.dirname(__file__)), '__main__.py')
-    
-    with open(main_path, 'r', encoding='utf-8') as f:
+    main_path = os.path.join(os.path.dirname(os.path.dirname(__file__)), "__main__.py")
+
+    with open(main_path, "r", encoding="utf-8") as f:
         content = f.read()
-    
+
     # Verify key components are present
-    assert 'from elements import element_print_out' in content
+    assert "from elements import element_print_out" in content
     assert 'if __name__ == "__main__"' in content
-    assert 'element_print_out()' in content
+    assert "element_print_out()" in content
 
 
 def test_main_module_can_be_imported():
     """Test that __main__.py can be imported without errors."""
     # Import the module using importlib
     import importlib.util
-    
-    main_path = os.path.join(os.path.dirname(os.path.dirname(__file__)), '__main__.py')
+
+    main_path = os.path.join(os.path.dirname(os.path.dirname(__file__)), "__main__.py")
     spec = importlib.util.spec_from_file_location("__main_test__", main_path)
     module = importlib.util.module_from_spec(spec)
-    
+
     # The module should be loadable
     assert module is not None
     assert spec is not None
@@ -41,6 +42,5 @@ def test_main_execution_via_python_m(capfd):
     """Test running the module via python -m."""
     # This test would require subprocess which might not work in all environments
     # So we'll verify the structure instead
-    main_path = os.path.join(os.path.dirname(os.path.dirname(__file__)), '__main__.py')
+    main_path = os.path.join(os.path.dirname(os.path.dirname(__file__)), "__main__.py")
     assert os.path.exists(main_path)
-

tests/test_elements.py

@@ -1,4 +1,5 @@
 """Test elements.py."""
+
 # pylint: disable=import-error, wrong-import-position, unused-argument, line-too-long
 
 import sys
@@ -126,7 +127,7 @@ def test_element_print_out_contains_all_groups(capfd):
     """Test that output contains all element groups"""
     element_print_out()
     captured = capfd.readouterr()
-    
+
     # Check all major groups are present
     assert "Alkali Metals - Group 1" in captured.out
     assert "Alkaline Earth Metals - Group 2" in captured.out
@@ -144,7 +145,7 @@ def test_element_print_out_contains_noble_gases(capfd):
     """Test that output contains all noble gases"""
     element_print_out()
     captured = capfd.readouterr()
-    
+
     # Check noble gases
     assert "Helium (He)" in captured.out
     assert "Neon (Ne)" in captured.out
@@ -158,7 +159,7 @@ def test_element_print_out_contains_alkali_metals(capfd):
     """Test that output contains all alkali metals"""
     element_print_out()
     captured = capfd.readouterr()
-    
+
     # Check alkali metals
     assert "Lithium (Li)" in captured.out
     assert "Sodium (Na)" in captured.out

tests/test_main.py

@@ -1,4 +1,5 @@
 """Test main.py."""
+
 # pylint: disable=import-error, wrong-import-position, unused-argument, redefined-builtin
 
 import unittest
@@ -19,11 +20,12 @@ def test_main_execution_with_invalid_input(self, mock_print, mock_input):
         # Import main module which will execute the code
         import importlib
         import main as main_module
+
         importlib.reload(main_module)
-        
+
         # Verify input was called
         mock_input.assert_called()
-        
+
         # Verify error message was printed
         calls = [str(call) for call in mock_print.call_args_list]
         assert any("not an element" in str(call).lower() for call in calls)
@@ -35,8 +37,9 @@ def test_main_execution_with_empty_input(self, mock_print, mock_input):
         # Import main module which will execute the code
         import importlib
         import main as main_module
+
         importlib.reload(main_module)
-        
+
         # Verify input was called
         mock_input.assert_called()
 

tests/test_print.py

@@ -1,4 +1,5 @@
 """Test print.py."""
+
 # pylint: disable=import-error, wrong-import-position
 
 import sys
@@ -13,11 +14,11 @@ def test_print_module_output(capfd):
     # Mock print to capture output then reload the print module
     import importlib
     import print as print_module
-    
+
     # Reload to capture the output
     importlib.reload(print_module)
     captured = capfd.readouterr()
-    
+
     # Verify key elements are printed
     assert "--THE PERIODIC TABLE ELEMENTS--" in captured.out
     assert "1. Hydrogen (H)" in captured.out