Code doesn't save credentials

Hi there, I run Your code, and it seems to not save credentials.

2000-01-01 00:31:14 [info     / 106kB] > GET /generate_204 (200 OK) [331ms]
Saving wifi credentials...
2000-01-01 00:31:41 [debug    / 103kB] > parsed template: ap_templates/configured.html (took 44 ms)
2000-01-01 00:31:41 [info     / 102kB] > POST /configure (200 OK) [725ms]
2000-01-01 00:31:41 [debug    /  96kB] > parsed template: ap_templates/redirect.html (took 29 ms)
2000-01-01 00:31:42 [info     /  95kB] > GET /generate_204 (200 OK) [1240ms]
Resetting...
ets Jun  8 2016 00:22:57

rst:0xc (SW_CPU_RESET),boot:0x13 (SPI_FAST_FLASH_BOOT)
configsip: 0, SPIWP:0xee
clk_drv:0x00,q_drv:0x00,d_drv:0x00,cs0_drv:0x00,hd_drv:0x00,wp_drv:0x00
mode:DIO, clock div:2
load:0x3fff0030,len:4728
load:0x40078000,len:14888
load:0x40080400,len:3368
entry 0x400805cc
Entering setup mode...
2000-01-01 00:31:44 [info     / 129kB] > starting catch all dns server on port 53
2000-01-01 00:31:44 [info     / 127kB] > starting web server on port 80

after some debugging:

try:
    print(f"Trying to connect to wifi")
    os.stat(WIFI_FILE)
    print(f"wifi file found")

    # File was found, attempt to connect to wifi...
    with open(WIFI_FILE) as f:
        print(f"wifi file loaded")
        wifi_current_attempt = 1
        wifi_credentials = json.load(f)
        print(f"wifi credentials loaded")

        while (wifi_current_attempt < WIFI_MAX_ATTEMPTS):
            ip_address = connect_to_wifi(wifi_credentials["ssid"], wifi_credentials["password"])
            print(f"I am here now")

            if is_connected_to_wifi():
                print(f"Connected to wifi, IP address {ip_address}")
                break
            else:
                wifi_current_attempt += 1

        if is_connected_to_wifi():
            application_mode()
        else:

            # Bad configuration, delete the credentials file, reboot
            # into setup mode to get new credentials from the user.
            print("Bad wifi connection!")
            print(wifi_credentials)
            os.remove(WIFI_FILE)
            machine_reset()

except Exception:
    # Either no wifi configuration file found, or something went wrong, 
    # so go into setup mode.
    print(f"Something went wrong")
    setup_mode()

rst:0xc (SW_CPU_RESET),boot:0x13 (SPI_FAST_FLASH_BOOT)
configsip: 0, SPIWP:0xee
clk_drv:0x00,q_drv:0x00,d_drv:0x00,cs0_drv:0x00,hd_drv:0x00,wp_drv:0x00
mode:DIO, clock div:2
load:0x3fff0030,len:4728
load:0x40078000,len:14888
load:0x40080400,len:3368
entry 0x400805cc
Trying to connect to wifi
wifi file found
wifi file loaded
wifi credentials loaded
Something went wrong
Entering setup mode...
2000-01-01 01:14:30 [info     / 128kB] > starting catch all dns server on port 53
2000-01-01 01:14:30 [info     / 126kB] > starting web server on port 80

simonprickett / phewap

Code doesn't save credentials #13