diff --git a/setup.py b/setup.py
index 8ebefbe7a..e3f53d5af 100644
--- a/setup.py
+++ b/setup.py
@@ -4,8 +4,9 @@
     'networkx==2.4',
     'geopy',
     'pyyaml>=5.1',
-    'numpy==1.16.4',
+    'numpy>=1.16.5',
     'common-utils',
+    'cython',   # otherwise sklearn fails
     'sklearn',
     'pandas',
     'tensorflow==1.14.0',
diff --git a/src/coordsim/writer/writer.py b/src/coordsim/writer/writer.py
index b84770230..bf5818e66 100644
--- a/src/coordsim/writer/writer.py
+++ b/src/coordsim/writer/writer.py
@@ -218,6 +218,8 @@ def write_network_state(self):
                     placement_output.append(placement_output_row)
             self.placement_writer.writerows(placement_output)
 
+        # reset metrics for run
+        self.params.metrics.reset_run_metrics()
         # Wait a timeout then write the states
         yield self.env.timeout(self.params.run_duration)
         yield self.env.process(self.write_network_state())
diff --git a/src/siminterface/simulator.py b/src/siminterface/simulator.py
index 4bb6cba81..f9674717c 100644
--- a/src/siminterface/simulator.py
+++ b/src/siminterface/simulator.py
@@ -185,8 +185,8 @@ def apply(self, actions):
         # Set it in the params of the instantiated simulator object.
         # self.simulator.params.schedule = actions.scheduling
 
-        # reset metrics for steps
-        self.params.metrics.reset_run_metrics()
+        # reset metrics for steps; now done in result writer
+        # self.params.metrics.reset_run_metrics()
 
         # Run the simulation again with the new params for the set duration.
         # Due to SimPy restraints, we multiply the duration by the run times because SimPy does not reset when run()