FileWatcher setup fails with error AttributeError: module 'streamlit' has no attribute 'script_runner'

[heuselm]

Describe the bug
A clear and concise description of what the bug is.

FileWatcher setup fails with error AttributeError: module 'streamlit' has no attribute 'script_runner'
Traceback:
File "streamlit\scriptrunner\script_runner.py", line 475, in _run_script
exec(code, module.dict)
File "C:\Program Files (x86)\AlphaPept\alphapept\webui.py", line 46, in
sidebarmenu
File "alphapept\gui\filewatcher.py", line 222, in filewatcher
raise st.script_runner.RerunException(

To Reproduce
Steps to reproduce the behavior:

1. Go to http://localhost:8505/
2. Click on FileWatcher, configure folder to watch
3. Press start
4. See error

Expected behavior
File watcher to start and files arriving in the watched folder to be added to the processing queue.

Screenshots
If applicable, add screenshots to help explain your problem.

Version (please complete the following information):

• OS: Windows 10 Pro 21H2 19044.1706 Windows Feature Experience Pack 120.2212.4170.0
• Version 0.4.6 https://github.com/MannLabs/alphapept/releases/download/v0.4.6/AlphaPept-Windows-64bit_v0.4.6.exe
• Installation Windows One-Click Installer

Additional context

• Previous AlphaPept version installed on same System: 0.3.3
• It seems the FileWatcher starts all right and only streamlit fails to run the analysis scripts (Wrong Streamlit version packaged into 1-click installer maybe?)
• No analysis starts after Bruker.d file is moved to watched folder

---

Local URL: http://localhost:8505
Network URL: [removed]

2022-06-10 15:08:09.437 INFO numexpr.utils: Note: NumExpr detected 64 cores but "NUMEXPR_MAX_THREADS" not set, so enforcing safe limit of 8.
2022-06-10 15:08:09.437 INFO numexpr.utils: NumExpr defaulting to 8 threads.
2022-06-10 15:08:10.611 INFO matplotlib.font_manager: generated new fontManager
2022-06-10 15:08:15.656 INFO root: Using existing settings.
2022-06-10 15:08:15.686 INFO root: Cupy is not available
2022-06-10 15:08:15.686841 Started queue_watcher
2022-06-10 15:16:47.018 Traceback (most recent call last):
File "streamlit\scriptrunner\script_runner.py", line 475, in _run_script
exec(code, module.dict)
File "C:\Program Files (x86)\AlphaPept\alphapept\webui.py", line 46, in
sidebarmenu
File "alphapept\gui\filewatcher.py", line 222, in filewatcher
raise st.script_runner.RerunException()
AttributeError: module 'streamlit' has no attribute 'script_runner'
2022-06-10 15:16:47.966 INFO numexpr.utils: Note: NumExpr detected 64 cores but "NUMEXPR_MAX_THREADS" not set, so enforcing safe limit of 8.
2022-06-10 15:16:47.966 INFO numexpr.utils: NumExpr defaulting to 8 threads.
2022-06-10 15:16:49.106 INFO matplotlib.font_manager: generated new fontManager
2022-06-10 15:16:53.886 INFO root: Using existing settings.
2022-06-10 15:16:53.886314 file watcher started.

[straussmaximilian]

Thanks for reporting. The error is indeed caused by a new streamlit version. I will include it in the next version.
Just to confirm: Are no files added to the queue? In principle, the error should not prevent the watcher from starting.