Fix index access and row dropping logic in trim_portfolio function in global_func/trim_portfolio.py for improved accuracy and performance.

global_func/trim_portfolio.py

@@ -1,12 +1,13 @@
 def trim_portfolio(portfolio, performance_type, own_type):
     working_portfolio = portfolio.sort_values(by=performance_type, ascending = False).reset_index(drop=True)
     rows_to_drop = []
-    curr_own_type_max = working_portfolio.loc(0, own_type)
+    curr_own_type_max = working_portfolio.loc[0, own_type]
 
     for i in range(1, len(working_portfolio)):
         if working_portfolio.loc[i, own_type] > curr_own_type_max:
             rows_to_drop.append(i)
         else:
-            curr_own_type_max = working_portfolio.drop(rows_to_drop).reset_index(drop=True)
+            curr_own_type_max = working_portfolio.loc[i, own_type]
 
+    working_portfolio = working_portfolio.drop(rows_to_drop).reset_index(drop=True)
     return working_portfolio