Defer other imports for faster overall import

src/humanize/number.py

@@ -3,7 +3,6 @@
 from __future__ import annotations
 
 import math
-import re
 
 from .i18n import _gettext as _
 from .i18n import _ngettext, decimal_separator, thousands_separator
@@ -166,6 +165,8 @@ def intcomma(value: NumberOrString, ndigits: int | None = None) -> str:
     else:
         orig = str(value)
     orig = orig.replace(".", decimal_sep)
+    import re
+
     while True:
         new = re.sub(r"^(-?\d+)(\d{3})", rf"\g<1>{thousands_sep}\g<2>", orig)
         if orig == new:
@@ -430,6 +431,8 @@ def scientific(value: NumberOrString, precision: int = 2) -> str:
     n = fmt.format(value)
     part1, part2 = n.split("e")
     # Remove redundant leading '+' or '0's (preserving the last '0' for 10⁰).
+    import re
+
     part2 = re.sub(r"^\+?(\-?)0*(.+)$", r"\1\2", part2)
 
     new_part2 = []

src/humanize/time.py

@@ -5,7 +5,6 @@
 
 from __future__ import annotations
 
-import collections.abc
 import datetime as dt
 import math
 from enum import Enum
@@ -328,7 +327,7 @@ def _quotient_and_remainder(
     divisor: float,
     unit: Unit,
     minimum_unit: Unit,
-    suppress: collections.abc.Iterable[Unit],
+    suppress: Iterable[Unit],
 ) -> tuple[float, float]:
     """Divide `value` by `divisor` returning the quotient and remainder.