From e6251da15904ce55a9dcc137eec33aabaa322cfb Mon Sep 17 00:00:00 2001
From: Kelsey Jordahl <kjordahl@enthought.com>
Date: Tue, 28 Apr 2015 22:08:08 -0700
Subject: [PATCH] CLN: Use apply() rather than str to get len of each element

---
 geopandas/tools/sjoin.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/geopandas/tools/sjoin.py b/geopandas/tools/sjoin.py
index 5491aee..2e09dbf 100644
--- a/geopandas/tools/sjoin.py
+++ b/geopandas/tools/sjoin.py
@@ -52,7 +52,7 @@ def sjoin(left_df, right_df, how='inner', op='intersects',
     # FIND INTERSECTION OF SPATIAL INDEX
     idxmatch = (left_df['geometry'].apply(lambda x: x.bounds)
                 .apply(lambda x: list(tree_idx.intersection(x))))
-    idxmatch = idxmatch[idxmatch.str.len() > 0]
+    idxmatch = idxmatch[idxmatch.apply(len) > 0]
 
     r_idx = np.concatenate(idxmatch.values)
     l_idx = np.concatenate([[i] * len(v) for i, v in idxmatch.iteritems()])