Fix: ProductLedger was crapping out because of ambiguous join in opening balace. (Probably triggered by upgrade in sqlalchemy)

Chore: Updated the dev dependencies as Angular 7 does not support Typescript 3.2 and further

brewman/views/reports/ledger.py

@@ -38,7 +38,6 @@ def show_blank(request):
     route_name="api_ledger_id",
     renderer="json",
     permission="Ledger",
-    trans=True,
 )
 def show_data(request):
     account = (

brewman/views/reports/product_ledger.py

@@ -46,7 +46,6 @@ def show_blank(request):
     route_name="api_product_ledger_id",
     renderer="json",
     permission="Product Ledger",
-    trans=True,
 )
 def show_data(request):
     id = to_uuid(request.matchdict["id"])
@@ -158,7 +157,8 @@ def opening_balance(product_id, start_date, dbsession):
             func.sum(Inventory.quantity * Journal.debit),
             func.sum(Inventory.amount * Journal.debit),
         )
-        .join(Voucher)
+        .join(Inventory.voucher)
+        .join(Voucher.journals)
         .filter(Voucher.id == Inventory.voucher_id)
         .filter(Voucher.id == Journal.voucher_id)
         .filter(Inventory.product_id == product_id)