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Defer importing math in filesize.py #397

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Defer importing math in filesize.py #397

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6 changes: 3 additions & 3 deletions src/humanize/filesize.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2,9 +2,7 @@

from __future__ import annotations

__lazy_modules__ = {"humanize.i18n", "math"}

from math import log
__lazy_modules__ = {"humanize.i18n"}

from humanize.i18n import _gettext as _

Expand Down Expand Up @@ -98,6 +96,8 @@ def naturalsize(
if abs_bytes < base:
return f"{int(bytes_)}B" if gnu else _("%d Bytes") % int(bytes_)

from math import log

exp = int(min(log(abs_bytes, base), len(suffix)))
# The suffix is chosen from the unrounded byte count, but `format` rounds the
# mantissa afterward; rounding can push it up to `base` (e.g. 999999 is
Expand Down
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