From 5ba34d814eff468ef204909cce0fbe377cfe6d11 Mon Sep 17 00:00:00 2001
From: lmeyerov <leo@graphistry.com>
Date: Mon, 3 Feb 2020 15:45:44 -0800
Subject: [PATCH] fix(datetime32): work around pandas 1.0.0 regression (#146)
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— https://github.com/pandas-dev/pandas/issues/31634
---
 graphistry/vgraph.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/graphistry/vgraph.py b/graphistry/vgraph.py
index 8ca531d533..bd027c3473 100644
--- a/graphistry/vgraph.py
+++ b/graphistry/vgraph.py
@@ -216,7 +216,7 @@ def boolEncoder(vg, series, dtype):
 
 def datetimeEncoder(vg, series, dtype):
     vec = vg.int32_vectors.add()
-    series32 = series.astype('int64').map(lambda x: x / 1e9).astype(numpy.int32)
+    series32 = series.view('int64').map(lambda x: x / 1e9).astype(numpy.int32)
     for val in series32:
         vec.values.append(val)