PERF: Using _Period for optimization (pandas-dev#32973)

ShaharNaveh · web-flow · commit 0d461440fa4f · 2020-03-30T18:35:21.000-04:00
diff --git a/pandas/_libs/index.pyx b/pandas/_libs/index.pyx
@@ -479,7 +479,6 @@ cdef class PeriodEngine(Int64Engine):
             return scalar.value
         if isinstance(scalar, Period):
             # NB: we assume that we have the correct freq here.
-            # TODO: potential optimize by checking for _Period?
             return scalar.ordinal
         raise TypeError(scalar)
 
