Fix pre-commit issues: remove trailing whitespace and add missing newlines

Co-authored-by: mmcky <8263752+mmcky@users.noreply.github.com>

Author: Copilot

tests/sites/rtl_test/conf.py

@@ -34,4 +34,4 @@
         "notebook_interface": "jupyterlab",
         "thebe": True,
     },
-}
+}

tests/test_rtl_functionality.py

@@ -6,109 +6,109 @@
 
 def test_rtl_config_option():
     """Test that RTL configuration option works in theme.conf"""
-    
+
     # Read theme.conf file
     theme_conf_path = "src/quantecon_book_theme/theme/quantecon_book_theme/theme.conf"
     with open(theme_conf_path, 'r') as f:
         theme_conf_content = f.read()
-    
+
     # Check that the RTL option is present with default False
     assert "script_right_to_left = False" in theme_conf_content, \
         "RTL configuration option should be present in theme.conf with default False"
-    
+
     print("✅ RTL configuration option found in theme.conf")
 
 
 def test_rtl_html_template():
     """Test that HTML layout includes RTL support"""
-    
+
     # Read layout.html file
     layout_html_path = "src/quantecon_book_theme/theme/quantecon_book_theme/layout.html"
     with open(layout_html_path, 'r') as f:
         layout_content = f.read()
-    
+
     # Check that dir="rtl" is conditionally applied
     assert '{% if theme_script_right_to_left %} dir="rtl"{% endif %}' in layout_content, \
         "HTML layout should conditionally apply dir='rtl' based on theme_script_right_to_left"
-    
+
     print("✅ RTL HTML template integration found")
 
 
 def test_rtl_python_integration():
     """Test that Python code handles RTL setting"""
-    
+
     # Read __init__.py file
     init_py_path = "src/quantecon_book_theme/__init__.py"
     with open(init_py_path, 'r') as f:
         init_content = f.read()
-    
+
     # Check that RTL setting is processed as boolean
     assert '"theme_script_right_to_left"' in init_content, \
         "Python code should process theme_script_right_to_left setting"
-    
+
     print("✅ RTL Python integration found")
 
 
 def test_rtl_css_styles():
     """Test that RTL CSS styles are built correctly"""
-    
+
     # Read built CSS file
     css_path = "src/quantecon_book_theme/theme/quantecon_book_theme/static/styles/quantecon-book-theme.css"
     with open(css_path, 'r') as f:
         css_content = f.read()
-    
+
     # Check that RTL styles are present
     assert '[dir=rtl]' in css_content, \
         "Built CSS should contain [dir=rtl] selector"
-    
+
     # Check for some key RTL adjustments
     assert 'text-align:right' in css_content, \
         "RTL CSS should include right text alignment"
-    
+
     print("✅ RTL CSS styles found in built stylesheet")
 
 
 def test_rtl_scss_source():
     """Test that RTL SCSS source file exists and is included"""
-    
+
     # Check that RTL SCSS file exists
     rtl_scss_path = "src/quantecon_book_theme/assets/styles/_rtl.scss"
     with open(rtl_scss_path, 'r') as f:
         rtl_scss_content = f.read()
-    
+
     # Check for key RTL styles
     assert '[dir="rtl"]' in rtl_scss_content, \
         "RTL SCSS should contain [dir='rtl'] selector"
-    
+
     # Check main index.scss includes RTL
     index_scss_path = "src/quantecon_book_theme/assets/styles/index.scss"
     with open(index_scss_path, 'r') as f:
         index_content = f.read()
-    
+
     assert '@forward "rtl"' in index_content, \
         "Main SCSS should forward RTL styles"
-    
+
     print("✅ RTL SCSS source and integration found")
 
 
 if __name__ == "__main__":
     print("Running RTL configuration tests...\n")
-    
+
     try:
         test_rtl_config_option()
         test_rtl_html_template()
         test_rtl_python_integration()
         test_rtl_css_styles()
         test_rtl_scss_source()
-        
+
         print("\n🎉 All RTL tests passed!")
         print("\nRTL support is properly implemented with:")
         print("  - Configuration option: script_right_to_left = False (default)")
         print("  - HTML template integration for dir='rtl' attribute")
         print("  - Python code processing RTL setting as boolean")
         print("  - Comprehensive RTL CSS styles for layout adjustments")
         print("  - Proper SCSS source organization and compilation")
-        
+
     except Exception as e:
         print(f"❌ Test failed: {e}")
-        exit(1)
+        exit(1)