title: jinja2 template not found and internal server error
body: <p><strong>Python code:</strong></p>
  
  <pre><code>from flask import Flask, render_template
  
  app = Flask(__name__)
  
  @app.route("/")
  
  def hello():
  
      return render_template('testing.html')
  
  if __name__ == "__main__":
      app.run()
  </code></pre>
  
  <p><strong>Html file:</strong></p>
  
  <pre><code>&lt;!DOCTYPE html&gt;
  &lt;html lang="en"&gt;
  &lt;head&gt;
      &lt;meta charset="UTF-8"&gt;
      &lt;title&gt;Title&lt;/title&gt;
  &lt;/head&gt;
  &lt;body&gt;
  &lt;h1&gt;My name is pk&lt;/h1&gt;
  &lt;/body&gt;
  &lt;/html&gt;
  </code></pre>
  
  <p>Also how to enable jinja2 in pycharm community version. I am directly creating html file and .py file in the same project </p>