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24 changes: 12 additions & 12 deletions flask_mongoengine/pagination.py
Original file line number Diff line number Diff line change
Expand Up @@ -37,9 +37,9 @@ def pages(self):

def prev(self, error_out=False):
"""Returns a :class:`Pagination` object for the previous page."""
assert self.iterable is not None, (
"an object is required " "for this method to work"
)
assert (
self.iterable is not None
), "an object is required for this method to work"
iterable = self.iterable
if isinstance(iterable, QuerySet):
iterable._skip = None
Expand All @@ -58,9 +58,9 @@ def has_prev(self):

def next(self, error_out=False):
"""Returns a :class:`Pagination` object for the next page."""
assert self.iterable is not None, (
"an object is required " "for this method to work"
)
assert (
self.iterable is not None
), "an object is required for this method to work"
iterable = self.iterable
if isinstance(iterable, QuerySet):
iterable._skip = None
Expand Down Expand Up @@ -154,9 +154,9 @@ def __init__(self, queryset, doc_id, field_name, page, per_page, total=None):

def prev(self, error_out=False):
"""Returns a :class:`Pagination` object for the previous page."""
assert self.items is not None, (
"a query object is required " "for this method to work"
)
assert (
self.items is not None
), "a query object is required for this method to work"
return self.__class__(
self.queryset,
self.doc_id,
Expand All @@ -168,9 +168,9 @@ def prev(self, error_out=False):

def next(self, error_out=False):
"""Returns a :class:`Pagination` object for the next page."""
assert self.items is not None, (
"a query object is required " "for this method to work"
)
assert (
self.items is not None
), "a query object is required for this method to work"
return self.__class__(
self.queryset,
self.doc_id,
Expand Down