Python/MicroPython Sensor Logger with Google Sheets

import gspread
from oauth2client.service_account import ServiceAccountCredentials
from flask import Flask, jsonify, abort, make_response, request, url_for

scope = ['https://spreadsheets.google.com/feeds',
         'https://www.googleapis.com/auth/drive']


def gAuth():
	global credentials, gc, worksheet
	credentials = ServiceAccountCredentials.from_json_keyfile_name('clientsecret.json', scope)
	gc = gspread.authorize(credentials) # Authorise with Google
	worksheet = gc.open("gsheet").sheet1 # Open the worksheet


gAuth()
	
worksheet.clear() # Delete Old Values

worksheet.append_row(['Time', 'Soil Moisture'], value_input_option='RAW') # Add column names

app = Flask(__name__)

readings = [
    {
        'DataPoint': 1,
        'Value': u'SoilMoistureReadings:',
        'Done': False
    }
]
	
@app.route('/solomon', methods=['POST'])
def create_reading():
    if not request.json or 'Done' in request.json == True:
        abort(400) 
    reading = {
        'DataPoint': readings[-1]['DataPoint'] + 1,
        'Value': request.json.get('Value', ""),
        'Time': request.json.get('Time', ""),
        'Done': False
    }
    readings.append(reading)
    variable = request.json.get('Value')
    if float(variable) > 100:
        variable = 100.00
    if float(variable) < 0:
        variable = 0.00
    
    worksheet.append_row([request.json.get('Time', ""), str(request.json.get('Value', "") + ' %')], value_input_option='RAW')

    return jsonify({'reading': reading}), 201
	

@app.errorhandler(404)
def not_found(error):
    return make_response(jsonify({'error': 'Not found'}), 404)

@app.errorhandler(400)
def not_found(error):
    return make_response(jsonify({'error': 'The request could not be understood by the server due to malformed syntax.'}), 400)

@app.errorhandler(500)
def NotAuth(error):
	gAuth()
    return make_response(jsonify({'error': 'Not Authorised. Reauthorising...'}), 500)	


if __name__ == '__main__':
    app.run(host='0.0.0.0', port=8000, debug=False)

import esp
import network
import socket
import gc
esp.osdebug(None)
from ntptime import settime
gc.collect()

def do_connect():
        sta_if = network.WLAN(network.STA_IF)
        if not sta_if.isconnected():
                print('connecting to network...')
                sta_if.active(True)
                sta_if.connect('WIFI-Network', 'Password')
                while not sta_if.isconnected():
                        pass

do_connect() # Connect to WIFI
settime()    # Use NTP to set clock