diff --git a/IntegrationTest.py b/IntegrationTest.py
index 2a23bec3..036254aa 100644
--- a/IntegrationTest.py
+++ b/IntegrationTest.py
@@ -64,7 +64,9 @@ class ReplayingHttpsConnection:
 
     def request( self, verb, url, input, headers ):
         del headers[ "Authorization" ]
-        if( self.__file.readline().strip() != verb + " " + url + " " + str( headers ) + " " + input ):
+        expectation = self.__file.readline().strip()
+        if expectation != verb + " " + url + " " + str( headers ) + " " + input:
+            # print expectation, "!=", verb + " " + url + " " + str( headers ) + " " + input
             raise RecordReplayException( "This test has been changed since last record. Please re-run this script with argument '--record'" )
 
     def getresponse( self ):
@@ -569,4 +571,5 @@ class IntegrationTest:
     def printList( self, title, iterable, f = lambda x: x ):
         print title + ":", ", ".join( str( f( x ) ) for x in iterable[ :10 ] ), "..." if len( iterable ) > 10 else ""
 
+sys.setrecursionlimit( 50 )
 IntegrationTest().main( sys.argv[ 1: ] )
diff --git a/github/GithubObjects/GitTree.py b/github/GithubObjects/GitTree.py
index 87666f3f..61dac784 100644
--- a/github/GithubObjects/GitTree.py
+++ b/github/GithubObjects/GitTree.py
@@ -2,7 +2,7 @@ from GithubObject import *
 
 GitTree = GithubObject(
     "GitTree",
-    BaseUrl( lambda obj: obj._repo._baseUrl() + "/git/trees/" + obj.sha + "?recursive=1" if obj.recursive else "" ),
+    BaseUrl( lambda obj: obj._repo._baseUrl() + "/git/trees/" + obj.sha + ( "?recursive=1" if obj.recursive else "" ) ),
     InternalSimpleAttributes(
         "sha", "url",
         "tree",
diff --git a/github/GithubObjects/Repository.py b/github/GithubObjects/Repository.py
index 253cb901..8dcb824c 100644
--- a/github/GithubObjects/Repository.py
+++ b/github/GithubObjects/Repository.py
@@ -18,6 +18,7 @@ from Branch import *
 from PullRequest import *
 
 __modifyAttributesForObjectsReferingRepo = { "_repo": lambda repo: repo }
+__modifyAttributesForGitTree = { "_repo": lambda repo: repo, "recursive": lambda repo: False }
 
 def __compare( repo, base, head ):
     return repo._github._dataRequest( "GET", repo._baseUrl() + "/compare/" + base + "..." + head, None, None )
@@ -89,8 +90,8 @@ Repository._addAttributePolicy( SeveralAttributePolicies( [
         ElementCreatable( Parameters( [ "message", "tree", "parents" ], [ "author", "committer" ] ), __modifyAttributesForObjectsReferingRepo )
     ),
     ExternalListOfObjects( "git/trees", "git_tree", GitTree,
-        ElementGetable( Parameters( [ "sha" ], [ "recursive" ] ), __modifyAttributesForObjectsReferingRepo ),
-        ElementCreatable( Parameters( [ "tree" ], [ "base_tree" ] ), __modifyAttributesForObjectsReferingRepo )
+        ElementGetable( Parameters( [ "sha" ], [ "recursive" ] ), __modifyAttributesForGitTree ),
+        ElementCreatable( Parameters( [ "tree" ], [ "base_tree" ] ), __modifyAttributesForGitTree )
     ),
     ExternalListOfObjects( "git/blobs", "git_blob", GitBlob,
         ElementGetable( Parameters( [ "sha" ], [] ), __modifyAttributesForObjectsReferingRepo ),