Move theano flag declaration

theano/compile/debugmode.py

@@ -1939,9 +1939,6 @@ class _Linker(gof.link.LocalLinker):
                                 if r not in fgraph.inputs]
 
         # Precompute some things for storage pre-allocation
-        # Need this import here to prevent circular import.
-        # If we don't do it, we won't always configuration available.
-        import theano.tests.unittest_tools  # noqa
         def_val = int(config.unittests.rseed)
 
         #####

theano/configdefaults.py

@@ -748,3 +748,20 @@ AddConfigVar(
     "the first optimization, and could possibly still contains some bugs. "
     "Use at your own risks.",
     BoolParam(False))
+
+
+def good_seed_param(seed):
+    if seed == "random":
+        return True
+    try:
+        int(seed)
+    except Exception:
+        return False
+    return True
+
+
+AddConfigVar('unittests.rseed',
+             "Seed to use for randomized unit tests. "
+             "Special value 'random' means using a seed of None.",
+             StrParam(666, is_valid=good_seed_param),
+             in_c_key=False)

theano/tests/unittest_tools.py

@@ -18,7 +18,7 @@ import numpy
 
 import theano
 import theano.tensor as T
-from theano.configparser import config, AddConfigVar, StrParam
+from theano.configparser import config
 try:
     from nose.plugins.skip import SkipTest
 except ImportError:
@@ -29,22 +29,6 @@ except ImportError:
 _logger = logging.getLogger("theano.tests.unittest_tools")
 
 
-def good_seed_param(seed):
-    if seed == "random":
-        return True
-    try:
-        int(seed)
-    except Exception:
-        return False
-    return True
-
-AddConfigVar('unittests.rseed',
-             "Seed to use for randomized unit tests. "
-             "Special value 'random' means using a seed of None.",
-             StrParam(666, is_valid=good_seed_param),
-             in_c_key=False)
-
-
 def fetch_seed(pseed=None):
     """
     Returns the seed to use for running the unit tests.