fix error message

casparser/analysis/gains.py

@@ -246,14 +246,13 @@ def sell(self, sell_date: date, quantity: Decimal, nav: Decimal, tax: Decimal):
         fin_year = get_fin_year(sell_date)
         original_quantity = abs(quantity)
         pending_units = original_quantity
-        while pending_units >= 1e-3:
+        while pending_units >= 1e-2:
             try:
                 purchase_date, units, purchase_nav, purchase_tax = self.transactions.popleft()
             except IndexError:
                 raise GainsError(
-                    f"Error computing gains for {self._fund.name}. Please contact support."
+                    f"FIFOUnits mismatch for {self._fund.name}. Please contact support."
                 )
-
             if units <= pending_units:
                 gain_units = units
             else:

casparser/cli.py

@@ -147,11 +147,7 @@ def print_summary(data, output_filename=None, include_zero_folios=False):
 
 
 def print_gains(data, output_file_path=None):
-    try:
-        cg = CapitalGainsReport(data)
-    except GainsError as exc:
-        console.print(exc)
-        return
+    cg = CapitalGainsReport(data)
     summary = cg.get_summary()
     table = Table(title="Capital Gains statement (Realised)", show_lines=True)
     table.add_column("FY", no_wrap=True)
@@ -287,6 +283,8 @@ def cli(output, summary, password, include_all, gains, force_pdfminer, filename)
         except IncompleteCASError:
             console.print("[bold red]Error![/] - Cannot compute gains. CAS is incomplete!")
             sys.exit(2)
+        except GainsError as exc:
+            console.print(exc)
 
 
 if __name__ == "__main__":