UnsupportedOperation: not writable









up vote
0
down vote

favorite
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from flask import Flask

app = Flask(__name__)

@app.route("/")
def function():
return "Hello Work"

print('here')

if __name__ == "__main__":
app.run(debug=True)


The print works, but the server does not start.










share|improve this question



























    up vote
    0
    down vote

    favorite
    2












    from flask import Flask

    app = Flask(__name__)

    @app.route("/")
    def function():
    return "Hello Work"

    print('here')

    if __name__ == "__main__":
    app.run(debug=True)


    The print works, but the server does not start.










    share|improve this question

























      up vote
      0
      down vote

      favorite
      2









      up vote
      0
      down vote

      favorite
      2






      2





      from flask import Flask

      app = Flask(__name__)

      @app.route("/")
      def function():
      return "Hello Work"

      print('here')

      if __name__ == "__main__":
      app.run(debug=True)


      The print works, but the server does not start.










      share|improve this question















      from flask import Flask

      app = Flask(__name__)

      @app.route("/")
      def function():
      return "Hello Work"

      print('here')

      if __name__ == "__main__":
      app.run(debug=True)


      The print works, but the server does not start.







      python flask






      share|improve this question















      share|improve this question













      share|improve this question




      share|improve this question








      edited May 30 at 14:39









      davidism

      61.1k12154173




      61.1k12154173










      asked May 30 at 12:29









      Nisarg Bhatt

      5110




      5110






















          4 Answers
          4






          active

          oldest

          votes

















          up vote
          2
          down vote



          accepted










          I found the answer here, courtesy of josechval. This worked for me. https://github.com/plotly/dash/issues/257



          Jose says: "You need to edit the "echo" function definition at ../site-packages/click/utils.py . The default value for the "file" parameter must be sys.stdout instead of None. Do the same for the "secho" function definition at ../site-packages/click/termui.py"






          share|improve this answer



























            up vote
            1
            down vote













            You need to check if __name__ == '__main__' and not if name == 'main'.






            share|improve this answer



























              up vote
              0
              down vote













              Resolved the issue



              There is a change that I made in the configuration file "Utils"
              I commented a this part:



              if message:
              write("Something Something")



              I dont know the exact reason why is this happening, but yeah it surely worked for me.






              share|improve this answer



























                up vote
                0
                down vote













                My problem solved adding these two lines:



                app.css.config.serve_locally = True



                app.script.config.serve_locally = True



                I should say that I had done both suggestions (changing echo and secho file and downgrading my flask to 0.12.2 but they had not been working for me)






                share|improve this answer






















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                  4 Answers
                  4






                  active

                  oldest

                  votes








                  4 Answers
                  4






                  active

                  oldest

                  votes









                  active

                  oldest

                  votes






                  active

                  oldest

                  votes








                  up vote
                  2
                  down vote



                  accepted










                  I found the answer here, courtesy of josechval. This worked for me. https://github.com/plotly/dash/issues/257



                  Jose says: "You need to edit the "echo" function definition at ../site-packages/click/utils.py . The default value for the "file" parameter must be sys.stdout instead of None. Do the same for the "secho" function definition at ../site-packages/click/termui.py"






                  share|improve this answer
























                    up vote
                    2
                    down vote



                    accepted










                    I found the answer here, courtesy of josechval. This worked for me. https://github.com/plotly/dash/issues/257



                    Jose says: "You need to edit the "echo" function definition at ../site-packages/click/utils.py . The default value for the "file" parameter must be sys.stdout instead of None. Do the same for the "secho" function definition at ../site-packages/click/termui.py"






                    share|improve this answer






















                      up vote
                      2
                      down vote



                      accepted







                      up vote
                      2
                      down vote



                      accepted






                      I found the answer here, courtesy of josechval. This worked for me. https://github.com/plotly/dash/issues/257



                      Jose says: "You need to edit the "echo" function definition at ../site-packages/click/utils.py . The default value for the "file" parameter must be sys.stdout instead of None. Do the same for the "secho" function definition at ../site-packages/click/termui.py"






                      share|improve this answer












                      I found the answer here, courtesy of josechval. This worked for me. https://github.com/plotly/dash/issues/257



                      Jose says: "You need to edit the "echo" function definition at ../site-packages/click/utils.py . The default value for the "file" parameter must be sys.stdout instead of None. Do the same for the "secho" function definition at ../site-packages/click/termui.py"







                      share|improve this answer












                      share|improve this answer



                      share|improve this answer










                      answered Jul 4 at 23:20









                      Sean_Calgary

                      440416




                      440416






















                          up vote
                          1
                          down vote













                          You need to check if __name__ == '__main__' and not if name == 'main'.






                          share|improve this answer
























                            up vote
                            1
                            down vote













                            You need to check if __name__ == '__main__' and not if name == 'main'.






                            share|improve this answer






















                              up vote
                              1
                              down vote










                              up vote
                              1
                              down vote









                              You need to check if __name__ == '__main__' and not if name == 'main'.






                              share|improve this answer












                              You need to check if __name__ == '__main__' and not if name == 'main'.







                              share|improve this answer












                              share|improve this answer



                              share|improve this answer










                              answered May 30 at 13:01









                              Joost

                              1,5761217




                              1,5761217




















                                  up vote
                                  0
                                  down vote













                                  Resolved the issue



                                  There is a change that I made in the configuration file "Utils"
                                  I commented a this part:



                                  if message:
                                  write("Something Something")



                                  I dont know the exact reason why is this happening, but yeah it surely worked for me.






                                  share|improve this answer
























                                    up vote
                                    0
                                    down vote













                                    Resolved the issue



                                    There is a change that I made in the configuration file "Utils"
                                    I commented a this part:



                                    if message:
                                    write("Something Something")



                                    I dont know the exact reason why is this happening, but yeah it surely worked for me.






                                    share|improve this answer






















                                      up vote
                                      0
                                      down vote










                                      up vote
                                      0
                                      down vote









                                      Resolved the issue



                                      There is a change that I made in the configuration file "Utils"
                                      I commented a this part:



                                      if message:
                                      write("Something Something")



                                      I dont know the exact reason why is this happening, but yeah it surely worked for me.






                                      share|improve this answer












                                      Resolved the issue



                                      There is a change that I made in the configuration file "Utils"
                                      I commented a this part:



                                      if message:
                                      write("Something Something")



                                      I dont know the exact reason why is this happening, but yeah it surely worked for me.







                                      share|improve this answer












                                      share|improve this answer



                                      share|improve this answer










                                      answered May 31 at 6:56









                                      Nisarg Bhatt

                                      5110




                                      5110




















                                          up vote
                                          0
                                          down vote













                                          My problem solved adding these two lines:



                                          app.css.config.serve_locally = True



                                          app.script.config.serve_locally = True



                                          I should say that I had done both suggestions (changing echo and secho file and downgrading my flask to 0.12.2 but they had not been working for me)






                                          share|improve this answer


























                                            up vote
                                            0
                                            down vote













                                            My problem solved adding these two lines:



                                            app.css.config.serve_locally = True



                                            app.script.config.serve_locally = True



                                            I should say that I had done both suggestions (changing echo and secho file and downgrading my flask to 0.12.2 but they had not been working for me)






                                            share|improve this answer
























                                              up vote
                                              0
                                              down vote










                                              up vote
                                              0
                                              down vote









                                              My problem solved adding these two lines:



                                              app.css.config.serve_locally = True



                                              app.script.config.serve_locally = True



                                              I should say that I had done both suggestions (changing echo and secho file and downgrading my flask to 0.12.2 but they had not been working for me)






                                              share|improve this answer














                                              My problem solved adding these two lines:



                                              app.css.config.serve_locally = True



                                              app.script.config.serve_locally = True



                                              I should say that I had done both suggestions (changing echo and secho file and downgrading my flask to 0.12.2 but they had not been working for me)







                                              share|improve this answer














                                              share|improve this answer



                                              share|improve this answer








                                              edited Nov 11 at 5:01

























                                              answered Nov 10 at 6:00









                                              shohreh tabatabaee

                                              11




                                              11



























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