Opening files from flash in binary mode does not work unless board is plugged in #10500
Description
CircuitPython version and board name
Adafruit CircuitPython 9.2.8 on 2025-05-28; M5Stack Cardputer with ESP32S3Code/REPL
with open("/test.txt", "rb") as f:
print(f.readlines())Behavior
No errors or crashes are produced, but if the code is run while the board is not plugged into a computer, it will hang until the board is plugged into a computer again.
If the code is run while the board is plugged into a computer, the code runs as expected without hangs.
Opening files without choosing rb mode does not seem to cause the code to hang.
Description
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Additional information
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