diff --git a/template/engine/sequencer.py b/template/engine/sequencer.py
index 2c4eabb..b476dad 100644
--- a/template/engine/sequencer.py
+++ b/template/engine/sequencer.py
@@ -571,12 +571,11 @@ class TempoMap(object):
        
     def _sanitize(self):
         """Inplace modification of self.tempoMap. Remove zeros and convert to float values. """
-        self._tempoMap = {int(key):(float(value), timesigNum, timesigDenom) for key, (value,
-        timesigNum, timesigDenom) in self._tempoMap.items() if value > 0.0} #Don't use the
-        following. Empty tempo maps are allowed, especially in jack transport slave mode. #Instead
-        set a default tempo 120 on init explicitly #if not self._tempoMap: #    logger.error("Found
-        invalid tempo map. Forcing to 120 bpm. Please correct manually") #    self._tempoMap = {0,
-        120.0}
+        self._tempoMap = {int(key):(float(value), timesigNum, timesigDenom) for key, (value, timesigNum, timesigDenom) in self._tempoMap.items() if value > 0.0}
+        #Don't use the following. Empty tempo maps are allowed, especially in jack transport slave mode. #Instead set a default tempo 120 on init explicitly
+        #if not self._tempoMap: 
+            #logger.warning("Found invalid tempo map. Forcing to 120 bpm. Please correct manually")
+            #self._tempoMap = {0, 120.0}
 
     def _clearCboxTempoMap(self):
         """Remove all cbox tempo values by iterating over all of them and set them to None, which is
diff --git a/template/engine/session.py b/template/engine/session.py
index ba0a241..3da6789 100644
--- a/template/engine/session.py
+++ b/template/engine/session.py
@@ -23,7 +23,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 import logging; logger = logging.getLogger(__name__); logger.info("import")
 
 #Python Standard Library
-from warnings import warn
 import os
 import os.path
 import json
@@ -123,10 +122,10 @@ class Session(object):
                 text = self.addSessionPrefix(f.read())
                 result = json.loads(text)
             except Exception as error:
-                warn(error)                
+                logger.error(error)                
 
         if result and "version" in result and "origin" in result and result["origin"] == METADATA["url"]:
-            if result["version"] >= METADATA["version"]:
+            if METADATA["version"] >= result["version"]:
                 self.guiWasSavedAsNSMVisible = result["guiWasSavedAsNSMVisible"]
                 self.guiSharedDataToSave = result["guiSharedDataToSave"]
                 assert type(self.guiSharedDataToSave) is dict, self.guiSharedDataToSave