diff --git a/pisi/installdb.py b/pisi/installdb.py
index fc16c1ea..5cef9af2 100644
--- a/pisi/installdb.py
+++ b/pisi/installdb.py
@@ -91,10 +91,9 @@ class InstallDB:
         """install package with specific version and release"""
         pkg = str(pkg)
         from config import config
-        #print "INSTALLDB", config.options#, config.options.ignore_comar
         if self.is_installed(pkg):
             raise InstallDBError("already installed")
-        if config.options.ignore_comar:
+        if config.options and config.options.ignore_comar:
             state = 'ip'
             self.dp[pkg] = True
         else:
diff --git a/pisi/version.py b/pisi/version.py
index a6874d06..bef9a39f 100644
--- a/pisi/version.py
+++ b/pisi/version.py
@@ -23,7 +23,7 @@ class Version:
         return self.verstring
 
     def pred(self,rhs,pred):
-        for i in range(0, len(self.comps)-1):
+        for i in range(0, len(self.comps)):
             if pred(self.comps[i],rhs.comps[i]):
                 return True
         else:
diff --git a/tests/archivetests.py b/tests/archivetests.py
index 0c8a1f50..56a745e3 100644
--- a/tests/archivetests.py
+++ b/tests/archivetests.py
@@ -18,6 +18,7 @@ from pisi import sourcearchive
 from pisi import fetcher
 from pisi import util
 from pisi import context
+from pisi.config import config
 from pisi import purl
 
 class ArchiveFileTestCase(unittest.TestCase):
@@ -94,7 +95,7 @@ class ArchiveFileTestCase(unittest.TestCase):
         ctx = context.BuildContext("tests/sandbox/pspec.xml")
         url = purl.PUrl(ctx.spec.source.archiveUri)
         targetDir = ctx.pkg_work_dir()
-        filePath = join(ctx.archives_dir(), url.filename())
+        filePath = join(config.archives_dir(), url.filename())
 
         # check cached
         if util.sha1_file(filePath) != ctx.spec.source.archiveSHA1:
diff --git a/tests/versiontests.py b/tests/versiontests.py
index b5532612..e831619c 100644
--- a/tests/versiontests.py
+++ b/tests/versiontests.py
@@ -30,3 +30,6 @@ class VersionTestCase(unittest.TestCase):
         self.assert_(v4 >= v4)
 
 suite = unittest.makeSuite(VersionTestCase)
+
+if __name__ == '__main__':
+    unittest.main()