import phonenumbers

from phonenumbers import geocoder

from openpyxl import load$\_$workbook

from yourapp.models import Customer

from yourapp.serializers import CustomerSerializer

# Validate data $($example validation$)$

def validate$\_$data$($row$)$:

# Your validation logic here

pass

# Determine country from phone number

def get$\_$country$\_$from$\_$phone$($phone$\_$number$)$:

parsed$\_$number $=$ phonenumbers.parse$($phone$\_$number, None$)$

country $=$ geocoder.country$\_$name$\_$for$\_$number$($parsed$\_$number, $"$en$")$

return country

# Read Excel file

excel$\_$file $=$ "path$/$to$/$your$/$file$.$xlsx$"$

wb $=$ load$\_$workbook$($excel$\_$file$)$

ws $=$ wb$.$active

# Process each row and create Customer records

for row in ws$.$iter$\_$rows$($min$\_$row$=2,$ values$\_$only$=$True$)$:

# Validate data

validate$\_$data$($row$)$

# Determine country from phone number

country $=$ get$\_$country$\_$from$\_$phone$($row$[2])$ # Assuming phone number is in the third column

# Create a dictionary with the data

customer$\_$data $=\{$

'full$\_$name': row$[0],$

'email': row$[1],$

'phone$\_$number': row$[2],$

'country': country,

# Add other fields as needed

$\}$

# Serialize data

serializer $=$ CustomerSerializer$($data$=$customer$\_$data$)$

if serializer.is$\_$valid$()$:

# Save the record

serializer.save$()$

else:

print$($f$"$Error processing row: $\{$row$\},$ Errors: $\{$serializer$.$errors$\}")$ when this code is running it says phone numbers not found, what can I do step by step or how can I edit this code without phonenumbers?