code: def test_blank_line_before_paragraph(self):
      self.assertMarkdownRenders(
          "\nA paragraph preceded by a blank line.",
          "<p>A paragraph preceded by a blank line.</p>",
      )
  
file_path: markdown/tests/test_syntax/blocks/test_paragraphs.py
imports: from markdown.test_tools import TestCase
label_desc: Use image node_id 2 for calling the TestParagraphBlocks obj's underlying member method code with example usage: obj.test_blank_line_before_paragraph() without return types