diff --git a/src/accounting/report/reports/balance_sheet.py b/src/accounting/report/reports/balance_sheet.py
index 7323da0..cf1fe59 100644
--- a/src/accounting/report/reports/balance_sheet.py
+++ b/src/accounting/report/reports/balance_sheet.py
@@ -27,11 +27,11 @@ from accounting.locale import gettext
 from accounting.models import Currency, BaseAccount, Account, Transaction, \
     JournalEntry
 from accounting.report.period import Period
+from .utils.base_page_params import BasePageParams
 from .utils.base_report import BaseReport
 from .utils.csv_export import BaseCSVRow, csv_download, period_spec
 from .utils.get_url import get_ledger_url
 from .utils.option_link import OptionLink
-from .utils.base_page_params import BasePageParams
 from .utils.period_choosers import BalanceSheetPeriodChooser
 from .utils.report_chooser import ReportChooser
 from .utils.report_type import ReportType
diff --git a/src/accounting/report/reports/income_expenses.py b/src/accounting/report/reports/income_expenses.py
index 04586fe..b0ef5d8 100644
--- a/src/accounting/report/reports/income_expenses.py
+++ b/src/accounting/report/reports/income_expenses.py
@@ -30,10 +30,10 @@ from accounting.models import Currency, Account, Transaction, JournalEntry
 from accounting.report.income_expense_account import IncomeExpensesAccount
 from accounting.report.period import Period
 from accounting.utils.pagination import Pagination
+from .utils.base_page_params import BasePageParams
 from .utils.base_report import BaseReport
 from .utils.csv_export import BaseCSVRow, csv_download, period_spec
 from .utils.option_link import OptionLink
-from .utils.base_page_params import BasePageParams
 from .utils.period_choosers import IncomeExpensesPeriodChooser
 from .utils.report_chooser import ReportChooser
 from .utils.report_type import ReportType
diff --git a/src/accounting/report/reports/income_statement.py b/src/accounting/report/reports/income_statement.py
index 1198ec7..865180b 100644
--- a/src/accounting/report/reports/income_statement.py
+++ b/src/accounting/report/reports/income_statement.py
@@ -27,11 +27,11 @@ from accounting.locale import gettext
 from accounting.models import Currency, BaseAccount, Account, Transaction, \
     JournalEntry
 from accounting.report.period import Period
+from .utils.base_page_params import BasePageParams
 from .utils.base_report import BaseReport
 from .utils.csv_export import BaseCSVRow, csv_download, period_spec
 from .utils.get_url import get_ledger_url
 from .utils.option_link import OptionLink
-from .utils.base_page_params import BasePageParams
 from .utils.period_choosers import IncomeStatementPeriodChooser
 from .utils.report_chooser import ReportChooser
 from .utils.report_type import ReportType
diff --git a/src/accounting/report/reports/ledger.py b/src/accounting/report/reports/ledger.py
index 87d0baf..e89adc4 100644
--- a/src/accounting/report/reports/ledger.py
+++ b/src/accounting/report/reports/ledger.py
@@ -29,11 +29,11 @@ from accounting.locale import gettext
 from accounting.models import Currency, Account, Transaction, JournalEntry
 from accounting.report.period import Period
 from accounting.utils.pagination import Pagination
+from .utils.base_page_params import BasePageParams
 from .utils.base_report import BaseReport
 from .utils.csv_export import BaseCSVRow, csv_download, period_spec
 from .utils.get_url import get_ledger_url
 from .utils.option_link import OptionLink
-from .utils.base_page_params import BasePageParams
 from .utils.period_choosers import LedgerPeriodChooser
 from .utils.report_chooser import ReportChooser
 from .utils.report_type import ReportType
diff --git a/src/accounting/report/reports/trial_balance.py b/src/accounting/report/reports/trial_balance.py
index 3b609ef..a5507d4 100644
--- a/src/accounting/report/reports/trial_balance.py
+++ b/src/accounting/report/reports/trial_balance.py
@@ -26,11 +26,11 @@ from accounting import db
 from accounting.locale import gettext
 from accounting.models import Currency, Account, Transaction, JournalEntry
 from accounting.report.period import Period
+from .utils.base_page_params import BasePageParams
 from .utils.base_report import BaseReport
 from .utils.csv_export import BaseCSVRow, csv_download, period_spec
 from .utils.get_url import get_ledger_url
 from .utils.option_link import OptionLink
-from .utils.base_page_params import BasePageParams
 from .utils.period_choosers import TrialBalancePeriodChooser
 from .utils.report_chooser import ReportChooser
 from .utils.report_type import ReportType