small fixes

2 files changed, 2 insertions, 1 deletions

diff --git a/lib/parser.rb b/lib/parser.rb
index 2f59d15..a2a96be 100644
--- a/lib/parser.rb
+++ b/lib/parser.rb
@@ -84,7 +84,7 @@ module OpenTox
              uri = triple[0]
           end
         end
-        File.delete(file)
+        File.delete(file.path)
         # load metadata
         metadata = {}
         triples.each_line do |line|
diff --git a/lib/rest_client_wrapper.rb b/lib/rest_client_wrapper.rb
index 7a6ed2a..d3136c7 100644
--- a/lib/rest_client_wrapper.rb
+++ b/lib/rest_client_wrapper.rb
@@ -62,6 +62,7 @@ module OpenTox
         waiting_task!=nil and !(waiting_task.is_a?(Task) || waiting_task.is_a?(SubTask))
       headers.each{ |k,v| headers.delete(k) if v==nil } if headers #remove keys with empty values, as this can cause problems
       ## PENDING partner services accept subjectid only in header
+      headers = {} unless headers
       headers[:subjectid] = payload.delete(:subjectid) if payload and payload.is_a?(Hash) and payload.has_key?(:subjectid) 
       
       # PENDING needed for NUTA, until we finally agree on how to send subjectid