arguments for inject_to_template in "to_pdf" function and code style issues fixed

src/pyladoc/__init__.py

@@ -709,10 +709,9 @@ class DocumentWriter():
             True if the PDF file was successfully created
         """
         content = self.to_latex(font_family, table_renderer, figure_scale)
-        latex_code = inject_to_template({'CONTENT': content},
+        latex_code = inject_to_template({'CONTENT': content} | fields_dict,
                                         latex_template_path,
-                                        internal_template = 'templates/default_template.tex',
-                                        fields_dict = fields_dict)
+                                        internal_template='templates/default_template.tex')
 
         if font_family == 'sans-serif':
             latex_code = latex.inject_latex_command(latex_code, '\\renewcommand{\\familydefault}{\\sfdefault}')

tests/test_template_functions.py

@@ -28,6 +28,7 @@ def test_inject_to_template_html():
     assert "<!-- some comment -->" in result  # Keep unrelated HTML comments
     assert "<title>Test Title</title>" in result
 
+
 def test_inject_to_template_latex():
     template = """
 \\documentclass[a4paper,12pt]{article}