Timedeltas: Understand µs (#32899)

Author: alvaroaleman

Diff for: doc/source/whatsnew/v1.1.0.rst

@@ -260,7 +260,7 @@ Timedelta
 
 - Bug in constructing a :class:`Timedelta` with a high precision integer that would round the :class:`Timedelta` components (:issue:`31354`)
 - Bug in dividing ``np.nan`` or ``None`` by :class:`Timedelta`` incorrectly returning ``NaT`` (:issue:`31869`)
--
+- Timedeltas now understand ``µs`` as identifier for microsecond (:issue:`32899`)
 
 Timezones
 ^^^^^^^^^

Diff for: pandas/_libs/tslibs/timedeltas.pyx

@@ -82,6 +82,7 @@ cdef dict timedelta_abbrevs = {
     "us": "us",
     "microseconds": "us",
     "microsecond": "us",
+    "µs": "us",
     "micro": "us",
     "micros": "us",
     "u": "us",

Diff for: pandas/tests/scalar/timedelta/test_constructors.py

@@ -51,6 +51,7 @@ def test_construction():
     assert Timedelta("1 milli") == timedelta(milliseconds=1)
     assert Timedelta("1 millisecond") == timedelta(milliseconds=1)
     assert Timedelta("1 us") == timedelta(microseconds=1)
+    assert Timedelta("1 µs") == timedelta(microseconds=1)
     assert Timedelta("1 micros") == timedelta(microseconds=1)
     assert Timedelta("1 microsecond") == timedelta(microseconds=1)
     assert Timedelta("1.5 microsecond") == Timedelta("00:00:00.000001500")