diff --git a/erpnext/regional/india/e_invoice/utils.py b/erpnext/regional/india/e_invoice/utils.py
index e016c81..2043f49 100644
--- a/erpnext/regional/india/e_invoice/utils.py
+++ b/erpnext/regional/india/e_invoice/utils.py
@@ -23,7 +23,7 @@
 	invalid_doctype = doc.doctype != 'Sales Invoice'
 	invalid_supply_type = doc.get('gst_category') not in ['Registered Regular', 'SEZ', 'Overseas', 'Deemed Export']
 	company_transaction = doc.get('billing_address_gstin') == doc.get('company_gstin')
-	no_taxes_applied = len(doc.get('taxes', [])) == 0
+	no_taxes_applied = not doc.get('taxes')
 
 	if not einvoicing_enabled or invalid_doctype or invalid_supply_type or company_transaction or no_taxes_applied:
 		return
@@ -63,7 +63,7 @@
 	elif invoice.gst_category == 'Overseas': supply_type = 'EXPWOP'
 	elif invoice.gst_category == 'Deemed Export': supply_type = 'DEXP'
 
-	if not supply_type: 
+	if not supply_type:
 		rr, sez, overseas, export = bold('Registered Regular'), bold('SEZ'), bold('Overseas'), bold('Deemed Export')
 		frappe.throw(_('GST category should be one of {}, {}, {}, {}').format(rr, sez, overseas, export),
 			title=_('Invalid Supply Type'))
@@ -128,7 +128,7 @@
 	if details:
 		frappe.local.gstin_cache[key] = details
 		return details
-	
+
 	if not details:
 		return GSPConnector.get_gstin_details(gstin)
 
@@ -174,7 +174,7 @@
 		item.serial_no = ""
 
 		item = update_item_taxes(invoice, item)
-		
+
 		item.total_value = abs(
 			item.taxable_value + item.igst_amount + item.sgst_amount +
 			item.cgst_amount + item.cess_amount + item.cess_nadv_amount + item.other_charges
@@ -232,9 +232,9 @@
 	invoice_value_details.round_off = invoice.base_rounding_adjustment
 	invoice_value_details.base_grand_total = abs(invoice.base_rounded_total) or abs(invoice.base_grand_total)
 	invoice_value_details.grand_total = abs(invoice.rounded_total) or abs(invoice.grand_total)
-	
+
 	invoice_value_details = update_invoice_taxes(invoice, invoice_value_details)
-	
+
 	return invoice_value_details
 
 def update_invoice_taxes(invoice, invoice_value_details):
@@ -251,13 +251,13 @@
 			if t.account_head in gst_accounts.cess_account:
 				# using after discount amt since item also uses after discount amt for cess calc
 				invoice_value_details.total_cess_amt += abs(t.base_tax_amount_after_discount_amount)
-			
+
 			for tax_type in ['igst', 'cgst', 'sgst']:
 				if t.account_head in gst_accounts[f'{tax_type}_account']:
 					invoice_value_details[f'total_{tax_type}_amt'] += abs(t.base_tax_amount_after_discount_amount)
 		else:
 			invoice_value_details.total_other_charges += abs(t.base_tax_amount_after_discount_amount)
-	
+
 	return invoice_value_details
 
 def get_payment_details(invoice):
@@ -329,23 +329,23 @@
 		place_of_supply = get_place_of_supply(invoice, invoice.doctype) or invoice.billing_address_gstin
 		place_of_supply = place_of_supply[:2]
 		buyer_details.update(dict(place_of_supply=place_of_supply))
-	
+
 	shipping_details = payment_details = prev_doc_details = eway_bill_details = frappe._dict({})
 	if invoice.shipping_address_name and invoice.customer_address != invoice.shipping_address_name:
 		if invoice.gst_category == 'Overseas':
 			shipping_details = get_overseas_address_details(invoice.shipping_address_name)
 		else:
 			shipping_details = get_party_details(invoice.shipping_address_name)
-	
+
 	if invoice.is_pos and invoice.base_paid_amount:
 		payment_details = get_payment_details(invoice)
-	
+
 	if invoice.is_return and invoice.return_against:
 		prev_doc_details = get_return_doc_reference(invoice)
-	
+
 	if invoice.transporter:
 		eway_bill_details = get_eway_bill_details(invoice)
-	
+
 	# not yet implemented
 	dispatch_details = period_details = export_details = frappe._dict({})
 
@@ -357,7 +357,7 @@
 		export_details=export_details, eway_bill_details=eway_bill_details
 	)
 	einvoice = json.loads(einvoice)
-	
+
 	validations = json.loads(read_json('einv_validation'))
 	errors = validate_einvoice(validations, einvoice)
 	if errors:
@@ -419,7 +419,7 @@
 			errors.append(_('{} {} should be between {} and {}').format(label, value, minimum, maximum))
 		if pattern_str and not pattern.match(value):
 			errors.append(field_validation.get('validationMsg'))
-	
+
 	return errors
 
 class RequestFailed(Exception): pass
@@ -452,19 +452,19 @@
 		else:
 			credentials = self.e_invoice_settings.credentials[0] if self.e_invoice_settings.credentials else None
 		return credentials
-	
+
 	def get_seller_gstin(self):
 		gstin = self.invoice.company_gstin or frappe.db.get_value('Address', self.invoice.company_address, 'gstin')
 		if not gstin:
 			frappe.throw(_('Cannot retrieve Company GSTIN. Please select company address with valid GSTIN.'))
 		return gstin
-	
+
 	def get_auth_token(self):
 		if time_diff_in_seconds(self.e_invoice_settings.token_expiry, now_datetime()) < 150.0:
 			self.fetch_auth_token()
-		
+
 		return self.e_invoice_settings.auth_token
-	
+
 	def make_request(self, request_type, url, headers=None, data=None):
 		if request_type == 'post':
 			res = make_post_request(url, headers=headers, data=data)
@@ -473,7 +473,7 @@
 
 		self.log_request(url, headers, data, res)
 		return res
-	
+
 	def log_request(self, url, headers, data, res):
 		headers.update({ 'password': self.credentials.password })
 		request_log = frappe.get_doc({
@@ -504,7 +504,7 @@
 		except Exception:
 			self.log_error(res)
 			self.raise_error(True)
-	
+
 	def get_headers(self):
 		return {
 			'content-type': 'application/json',
@@ -526,7 +526,7 @@
 			else:
 				self.log_error(res)
 				raise RequestFailed
-		
+
 		except RequestFailed:
 			self.raise_error()
 
@@ -571,7 +571,7 @@
 
 			else:
 				raise RequestFailed
-		
+
 		except RequestFailed:
 			errors = self.sanitize_error_message(res.get('message'))
 			self.raise_error(errors=errors)
@@ -579,7 +579,7 @@
 		except Exception:
 			self.log_error(data)
 			self.raise_error(True)
-	
+
 	def get_irn_details(self, irn):
 		headers = self.get_headers()
 
@@ -590,7 +590,7 @@
 				return res.get('result')
 			else:
 				raise RequestFailed
-		
+
 		except RequestFailed:
 			errors = self.sanitize_error_message(res.get('message'))
 			self.raise_error(errors=errors)
@@ -598,7 +598,7 @@
 		except Exception:
 			self.log_error()
 			self.raise_error(True)
-	
+
 	def cancel_irn(self, irn, reason, remark):
 		headers = self.get_headers()
 		data = json.dumps({
@@ -620,7 +620,7 @@
 
 			else:
 				raise RequestFailed
-		
+
 		except RequestFailed:
 			errors = self.sanitize_error_message(res.get('message'))
 			self.raise_error(errors=errors)
@@ -669,7 +669,7 @@
 		except Exception:
 			self.log_error(data)
 			self.raise_error(True)
-	
+
 	def cancel_eway_bill(self, eway_bill, reason, remark):
 		headers = self.get_headers()
 		data = json.dumps({
@@ -701,7 +701,7 @@
 		except Exception:
 			self.log_error(data)
 			self.raise_error(True)
-	
+
 	def sanitize_error_message(self, message):
 		'''
 			On validation errors, response message looks something like this:
@@ -740,7 +740,7 @@
 			"Exception:", err_tb
 		])
 		frappe.log_error(title=_('E Invoice Request Failed'), message=message)
-	
+
 	def raise_error(self, raise_exception=False, errors=[]):
 		title = _('E Invoice Request Failed')
 		if errors:
@@ -753,7 +753,7 @@
 				raise_exception=raise_exception,
 				indicator='red'
 			)
-	
+
 	def set_einvoice_data(self, res):
 		enc_signed_invoice = res.get('SignedInvoice')
 		dec_signed_invoice = jwt.decode(enc_signed_invoice, verify=False)['data']
@@ -792,7 +792,7 @@
 		_file.save()
 		frappe.db.commit()
 		self.invoice.qrcode_image = _file.file_url
-	
+
 	def update_invoice(self):
 		self.invoice.flags.ignore_validate_update_after_submit = True
 		self.invoice.flags.ignore_validate = True