old_contents: import os
  from flask import Flask, render_template, url_for
  app = Flask(__name__)
  
  @app.route('/')
  def homepage():
  	viewer = 'clinician'
  	description = 'This is the clinician version.'
  
  	return render_template('index.html', viewer=viewer, description=description)
  
  @app.route('/patient')
  def patientpage():
  
  	viewer = 'patient'
  	description = 'This is the patient version.'
  
  	return render_template('index.html', viewer=viewer, description=description)
  
  @app.route('/about')
  def aboutpage():
  
  	viewer = 'about'
  	return render_template('about.html', viewer=viewer)
  
  if __name__ == '__main__':
  	port = int(os.environ.get('PORT', 5010))
  	app.run(host='0.0.0.0', port=port)
  	app.run(debug=True)
new_contents: from __future__ import print_function
  import os
  from flask import Flask, render_template, url_for
  
  app = Flask(__name__)
  
  @app.route('/')
  def homepage():
  	viewer = 'clinician'
  	description = 'This is the clinician version.'
  
  	return render_template('index.html', viewer=viewer, description=description)
  
  @app.route('/patient')
  def patientpage():
  
  	viewer = 'patient'
  	description = 'This is the patient version.'
  
  	return render_template('index.html', viewer=viewer, description=description)
  
  @app.route('/about')
  def aboutpage():
  
  	viewer = 'about'
  	return render_template('about.html', viewer=viewer)
  
  if __name__ == '__main__':
  	port = int(os.environ.get('PORT', 5000))
  	app.run(host='0.0.0.0', port=port, debug=True, use_reloader=True)
subject: Fix debugger start up issue + Add python3 print syntax