[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

financial/amortization.py

@@ -16,7 +16,14 @@ def level_payment(principal, annual_rate_pct, years, payments_per_year=12):
     return principal * (r * factor) / (factor - 1)
 
 
-def amortization_schedule(principal, annual_rate_pct, years, payments_per_year=12, print_annual_summary=False, eps=1e-9):
+def amortization_schedule(
+    principal,
+    annual_rate_pct,
+    years,
+    payments_per_year=12,
+    print_annual_summary=False,
+    eps=1e-9,
+):
     pmt = level_payment(principal, annual_rate_pct, years, payments_per_year)
     r = (annual_rate_pct / 100.0) / payments_per_year
     n = years * payments_per_year
@@ -32,7 +39,6 @@ def amortization_schedule(principal, annual_rate_pct, years, payments_per_year=1
             )
         )
 
-
     for period in range(1, n + 1):
         interest = balance * r
         principal_component = pmt - interest
@@ -44,23 +50,25 @@ def amortization_schedule(principal, annual_rate_pct, years, payments_per_year=1
         else:
             payment_made = pmt
 
-        if principal_component < 0 and principal_component > -eps:  # clamp tiny negatives
+        if (
+            principal_component < 0 and principal_component > -eps
+        ):  # clamp tiny negatives
             principal_component = 0.0
 
         balance = max(0.0, balance - principal_component)
         schedule.append([period, payment_made, interest, principal_component, balance])
 
         # streamline for all time periods (monthly/quarterly/biweekly/weekly)
-        months_elapsed = (round((period * 12) / payments_per_year))
+        months_elapsed = round((period * 12) / payments_per_year)
 
         if print_annual_summary and (months_elapsed % 12 == 0 or balance <= eps):
             tenure_left_periods = n - period
             print(
-            (
-                f"{months_elapsed // 12:<6}{months_elapsed:<12}{tenure_left_periods:<13}"
-                f"{pmt:<16.2f}{balance:<14.2f}"
+                (
+                    f"{months_elapsed // 12:<6}{months_elapsed:<12}{tenure_left_periods:<13}"
+                    f"{pmt:<16.2f}{balance:<14.2f}"
+                )
             )
-        )
 
         if balance <= eps:
             break
@@ -72,5 +80,7 @@ def amortization_schedule(principal, annual_rate_pct, years, payments_per_year=1
     return round(pmt, 4), schedule
 
 
-pmt, sched = amortization_schedule(10000, 5.5, 15, payments_per_year=12, print_annual_summary=True)
+pmt, sched = amortization_schedule(
+    10000, 5.5, 15, payments_per_year=12, print_annual_summary=True
+)
 print(pmt)