Update for Price Solana fails

[ggonmar]

I have added the Helium Integration to my HA and I have gotten this error 38 times in the last 5 minutes:

Update for sensor.helium_price_solana fails
Logger: homeassistant.helpers.entity
Source: helpers/entity.py:941
First occurred: 16 June 2024 at 00:43:25 (38 occurrences)
Last logged: 00:03:27

Update for sensor.helium_price_solana fails
Update for sensor.helium_price_iot fails
Update for sensor.helium_price_hnt fails
Update for sensor.helium_price_mobile fails
Traceback (most recent call last):
File "/usr/src/homeassistant/homeassistant/helpers/entity.py", line 941, in async_update_ha_state
await self.async_device_update()
File "/usr/src/homeassistant/homeassistant/helpers/entity.py", line 1289, in async_device_update
await self.async_update()
File "/config/custom_components/helium_solana/sensors/PriceSensor.py", line 88, in async_update
if response.status_code != 200:
^^^^^^^^^^^^^^^^^^^^
AttributeError: 'NoneType' object has no attribute 'status_code'