Fix matrix dump tostr() method

Addresses issue while trying to dump matrix object:

  AttributeError: Base instance has no attribute '__getitem__'

Signed-off-by: Kyr Shatskyy <kyrylo.shatskyy@suse.de>

diff --git a/teuthology/suite/matrix.py b/teuthology/suite/matrix.py
index 5141f995025849c880a5929711760c11b78c9fbc..fefaffbfb73f3051a7a44fc48443de9233e44427 100644 (file)
--- a/teuthology/suite/matrix.py
+++ b/teuthology/suite/matrix.py
@@ -196,7 +196,7 @@ class Concat(Matrix):
 
     def tostr(self, depth):
         ret = '\t'*depth + "Concat({item}):\n".format(item=self.item)
-        return ret + ''.join([i[1].tostr(depth+1) for i in self.submats])
+        return ret + ''.join([i.tostr(depth+1) for i in self.submats])
 
 class PickRandom(Matrix):
     """
@@ -220,7 +220,7 @@ class PickRandom(Matrix):
 
     def tostr(self, depth):
         ret = '\t'*depth + "PickRandom({item}):\n".format(item=self.item)
-        return ret + ''.join([i[1].tostr(depth+1) for i in self.submats])
+        return ret + ''.join([i.tostr(depth+1) for i in self.submats])
 
 class Sum(Matrix):
     """