Revert "Merge pull request #108 from open-source-parsers/quote-spaces"

This reverts commit dfc5f879c168d11fe2f4ef686ab33bbecdc5679f, reversing
changes made to 0f6884f771eae221873b345af2c6369ccf7dcb5b.
diff --git a/test/runjsontests.py b/test/runjsontests.py
index 2defb53..a1f6082 100644
--- a/test/runjsontests.py
+++ b/test/runjsontests.py
@@ -1,8 +1,8 @@
 from __future__ import print_function
-from glob import glob
 import sys
 import os
-import pipes
+import os.path
+from glob import glob
 import optparse
 
 VALGRIND_CMD = 'valgrind --tool=memcheck --leak-check=yes --undef-value-errors=yes '
@@ -56,7 +56,7 @@
         options = is_json_checker_test and '--json-checker' or ''
         pipe = os.popen( "%s%s %s %s" % (
             valgrind_path, jsontest_executable_path, options,
-            pipes.quote(input_path)))
+            input_path) )
         process_output = pipe.read()
         status = pipe.close()
         if is_json_checker_test: