make a python flask script standalone executable

1. python3 -m pip install pyinstaller
2. C:Usersuser>cd C:UsersuserAppDataLocalProgramsPythonPython36Scripts
3. Make a executable file

   pyinstaller  D:TempFlaskTestflaskexamplestutorialflaskr__init__.py  -F  -w  -i C:OctaveOctave-4.4.1includewx-3.0wxmswstd.ico -n MYPARKINGSYS  -p C:UsersuserAppDataLocalProgramsPythonPython36Libsite-packages
   

4. Copy folder templates and static to directory C:UsersuserAppDataLocalProgramsPythonPython36Scriptsdist
5. Execute file MYPARKINGSYS.exe.
6. It shows en error message Failed to execute script __init__.
   

Reference

• LINK
• Make the Project Installable