Error when a fixed FX pricelist is set to Discount Policy - Show public price & discount to the customer

[paulwedoo]

module: product_pricelist_fixed_currency_rate
version: 16.0

Steps to reproduce
Home currency is NZD
FX Currency is USD
Create Pricelist

• Set FX Currency
• Add Price Rules
• Computation Formula
• Based on Other Pricelist
• Other Pricelist Default NZD Customer (NZD)
• Inverse Fixed Currency Rate = 2.0
• Apply on all products
• Save
  Configuration Tab
• Discount Policy Show public price & discount to the customer
  Create a Sales Order
• Select Customer
• Select Fixed FX Price Book
• Add Product creates the error

Current behavior
RPC_ERROR
Odoo Server Error
Traceback (most recent call last):
File "/home/odoo/src/odoo/odoo/http.py", line 1783, in _serve_db
return service_model.retrying(self._serve_ir_http, self.env)
File "/home/odoo/src/odoo/odoo/service/model.py", line 133, in retrying
result = func()
File "/home/odoo/src/odoo/odoo/http.py", line 1810, in _serve_ir_http
response = self.dispatcher.dispatch(rule.endpoint, args)
File "/home/odoo/src/odoo/odoo/http.py", line 2014, in dispatch
result = self.request.registry['ir.http']._dispatch(endpoint)
File "/home/odoo/src/odoo/addons/website/models/ir_http.py", line 235, in _dispatch
response = super()._dispatch(endpoint)
File "/home/odoo/src/odoo/odoo/addons/base/models/ir_http.py", line 221, in _dispatch
result = endpoint(**request.params)
File "/home/odoo/src/odoo/odoo/http.py", line 757, in route_wrapper
result = endpoint(self, *args, **params_ok)
File "/home/odoo/src/odoo/addons/web/controllers/dataset.py", line 24, in call_kw
return self._call_kw(model, method, args, kwargs)
File "/home/odoo/src/odoo/addons/web/controllers/dataset.py", line 20, in _call_kw
return call_kw(request.env[model], method, args, kwargs)
File "/home/odoo/src/odoo/odoo/api.py", line 468, in call_kw
result = _call_kw_multi(method, model, args, kwargs)
File "/home/odoo/src/odoo/odoo/api.py", line 453, in _call_kw_multi
result = method(recs, *args, **kwargs)
File "/home/odoo/src/odoo/addons/web/models/models.py", line 1074, in onchange
todo = [
File "/home/odoo/src/odoo/addons/web/models/models.py", line 1077, in
if field_name not in done and snapshot0.has_changed(field_name)
File "/home/odoo/src/odoo/addons/web/models/models.py", line 1190, in has_changed
return self[field_name] != self.record[field_name]
File "/home/odoo/src/odoo/odoo/models.py", line 6669, in getitem
return self._fields[key].get(self, self.env.registry[self._name])
File "/home/odoo/src/odoo/odoo/fields.py", line 1152, in get
self.recompute(record)
File "/home/odoo/src/odoo/odoo/fields.py", line 1367, in recompute
apply_except_missing(self.compute_value, recs)
File "/home/odoo/src/odoo/odoo/fields.py", line 1340, in apply_except_missing
func(records)
File "/home/odoo/src/odoo/odoo/fields.py", line 1389, in compute_value
records._compute_field_value(self)
File "/home/odoo/src/odoo/odoo/models.py", line 4913, in _compute_field_value
fields.determine(field.compute, self)
File "/home/odoo/src/odoo/odoo/fields.py", line 102, in determine
return needle(*args)
File "/home/odoo/src/enterprise/sale_subscription/models/sale_order_line.py", line 127, in _compute_price_unit
super(SaleOrderLine, line_to_recompute)._compute_price_unit()
File "/home/odoo/src/odoo/addons/sale_management/models/sale_order_line.py", line 37, in _compute_price_unit
super(SaleOrderLine, self - lines_without_price_recomputation)._compute_price_unit()
File "/home/odoo/src/odoo/addons/sale/models/sale_order_line.py", line 473, in _compute_price_unit
price = line._get_display_price()
File "/home/odoo/src/odoo/addons/sale/models/sale_order_line.py", line 503, in _get_display_price
base_price = self._get_pricelist_price_before_discount()
File "/home/odoo/src/odoo/addons/website_sale/models/sale_order_line.py", line 64, in _get_pricelist_price_before_discount
return super()._get_pricelist_price_before_discount()
File "/home/odoo/src/odoo/addons/sale/models/sale_order_line.py", line 557, in _get_pricelist_price_before_discount
return self.pricelist_item_id._compute_price_before_discount(
File "/home/odoo/src/odoo/addons/product/models/product_pricelist_item.py", line 469, in _compute_price_before_discount
return pricelist_rule._compute_base_price(*args, **kwargs)
TypeError: ProductPricelist._compute_base_price() got an unexpected keyword argument 'currency'

The above server error caused the following client error:
RPC_ERROR: Odoo Server Error
RPC_ERROR
at makeErrorFromResponse (https://plazmax-technologies-staging-16629914.dev.odoo.com/web/assets/8f4b30c/web.assets_web.min.js:2910:163)
at XMLHttpRequest. (https://plazmax-technologies-staging-16629914.dev.odoo.com/web/assets/8f4b30c/web.assets_web.min.js:2914:13)

Expected behavior
No Error