From c74d2be3f41aa7d997122b10d5d55c25622dfd41 Mon Sep 17 00:00:00 2001
From: Jesper Zedlitz <jze@informatik.uni-kiel.de>
Date: Mon, 16 Oct 2017 12:52:20 +0200
Subject: [PATCH] also works with out pylab

---
 ocropus-gpageseg | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/ocropus-gpageseg b/ocropus-gpageseg
index 9943a21a..88d069a8 100755
--- a/ocropus-gpageseg
+++ b/ocropus-gpageseg
@@ -13,8 +13,6 @@
 
 from __future__ import print_function
 
-from pylab import find
-
 import argparse
 import glob
 import os
@@ -108,7 +106,11 @@ parser.add_argument('files',nargs='+')
 args = parser.parse_args()
 args.files = ocrolib.glob_all(args.files)
 
-
+def find(condition):
+    "Return the indices where ravel(condition) is true"
+    res, = np.nonzero(np.ravel(condition))
+    return res
+    
 def norm_max(v):
     return v/np.amax(v)