MAINT: Remove datetool imports from scripts

Author: gfyoung

scripts/bench_join.py

@@ -12,9 +12,9 @@
 a = np.arange(n, dtype=np.int64)
 b = np.arange(n * pct_overlap, n * (1 + pct_overlap), dtype=np.int64)
 
-dr1 = DatetimeIndex('1/1/2000', periods=n, offset=datetools.Minute())
+dr1 = DatetimeIndex('1/1/2000', periods=n, offset=offsets.Minute())
 dr2 = DatetimeIndex(
-    dr1[int(pct_overlap * n)], periods=n, offset=datetools.Minute(2))
+    dr1[int(pct_overlap * n)], periods=n, offset=offsets.Minute(2))
 
 aobj = a.astype(object)
 bobj = b.astype(object)

scripts/groupby_speed.py

@@ -1,12 +1,12 @@
 from __future__ import print_function
 from pandas import *
 
-rng = DatetimeIndex('1/3/2011', '11/30/2011', offset=datetools.Minute())
+rng = DatetimeIndex('1/3/2011', '11/30/2011', offset=offsets.Minute())
 
 df = DataFrame(np.random.randn(len(rng), 5), index=rng,
                columns=list('OHLCV'))
 
-rng5 = DatetimeIndex('1/3/2011', '11/30/2011', offset=datetools.Minute(5))
+rng5 = DatetimeIndex('1/3/2011', '11/30/2011', offset=offsets.Minute(5))
 gp = rng5.asof
 grouped = df.groupby(gp)
 

scripts/hdfstore_panel_perf.py

@@ -7,7 +7,7 @@
 panel = Panel(np.random.randn(i, j, k),
               items=[rands(10) for _ in range(i)],
               major_axis=DatetimeIndex('1/1/2000', periods=j,
-                                   offset=datetools.Minute()),
+                                       offset=offsets.Minute()),
               minor_axis=[rands(10) for _ in range(k)])