use the Python 3 compatible version of print()

1 files changed, 14 insertions, 14 deletions

diff --git a/Python/pywarpx/timestepper.py b/Python/pywarpx/timestepper.py
index 1e3519dcc..ce0ed8c24 100644
--- a/Python/pywarpx/timestepper.py
+++ b/Python/pywarpx/timestepper.py
@@ -16,7 +16,7 @@ class TimeStepper(object):
         self.istep = libwarpx.warpx_getistep(0)
 
         #if mpi.rank == 0:
-        print "\nSTEP %d starts ..."%(self.istep + 1)
+        print("\nSTEP %d starts ..."%(self.istep + 1))
 
         #if (ParallelDescriptor::NProcs() > 1)
         #   if (okToRegrid(step)) RegridBaseLevel();
@@ -53,7 +53,7 @@ class TimeStepper(object):
         libwarpx.warpx_MoveWindow();
 
         #if mpi.rank == 0:
-        print "STEP %d ends. TIME = %e DT = %e"%(self.istep, self.cur_time, dt)
+        print("STEP %d ends. TIME = %e DT = %e"%(self.istep, self.cur_time, dt))
 
         # --- Sync up time
         for i in range(libwarpx.warpx_finestLevel()+1):
@@ -105,7 +105,7 @@ class TimeStepperFromPICSAR(object):
       for i in range(n):
           if(me == 0):
               if top.it%freq_print == 0:
-                  print 'it = %g time = %g'%(top.it, top.time)
+                  print('it = %g time = %g'%(top.it, top.time))
 
           l_first = (lallspecl or (i == 0))
           l_last = (lallspecl or (i == n-1))
@@ -242,7 +242,7 @@ class TimeStepperFromPICSAR(object):
 
     # --- The following methods use the standard Warp routines
     def fetcheb(self, js, pg=None):
-        if self.l_verbose:print me, 'enter fetcheb'
+        if self.l_verbose:print(me, 'enter fetcheb')
         if pg is None:
             pg = top.pgroup
         np = pg.nps[js]
@@ -263,7 +263,7 @@ class TimeStepperFromPICSAR(object):
         w3d.pgroupfsapi = None
 
     def push_velocity_full(self, js, pg=None):
-        if self.l_verbose:print me, 'enter push_velocity_full'
+        if self.l_verbose:print(me, 'enter push_velocity_full')
         if pg is None:
             pg = top.pgroup
         np = pg.nps[js]
@@ -293,10 +293,10 @@ class TimeStepperFromPICSAR(object):
           # --- update gamma
           self.set_gamma(js, pg)
 
-        if self.l_verbose:print me, 'exit push_velocity_first_part'
+        if self.l_verbose:print(me, 'exit push_velocity_first_part')
 
     def push_velocity_first_part(self, js, pg=None):
-        if self.l_verbose:print me, 'enter push_velocity_first_part'
+        if self.l_verbose:print(me, 'enter push_velocity_first_part')
         if pg is None:
             pg = top.pgroup
         np = pg.nps[js]
@@ -320,10 +320,10 @@ class TimeStepperFromPICSAR(object):
                        pg.bx[il:iu], pg.by[il:iu], pg.bz[il:iu],
                        pg.sq[js], pg.sm[js], 0.5*top.dt, top.ibpush)
 
-        if self.l_verbose:print me, 'exit push_velocity_first_part'
+        if self.l_verbose:print(me, 'exit push_velocity_first_part')
 
     def push_velocity_second_part(self, js, pg=None):
-        if self.l_verbose:print me, 'enter push_velocity_second_part'
+        if self.l_verbose:print(me, 'enter push_velocity_second_part')
         if pg is None:
             pg = top.pgroup
         np = pg.nps[js]
@@ -347,10 +347,10 @@ class TimeStepperFromPICSAR(object):
         # --- update gamma
         self.set_gamma(js, pg)
 
-        if self.l_verbose:print me, 'exit push_velocity_second_part'
+        if self.l_verbose:print(me, 'exit push_velocity_second_part')
 
     def set_gamma(self, js, pg=None):
-        if self.l_verbose:print me, 'enter set_gamma'
+        if self.l_verbose:print(me, 'enter set_gamma')
         if pg is None:
             pg = top.pgroup
         np = pg.nps[js]
@@ -360,10 +360,10 @@ class TimeStepperFromPICSAR(object):
         # --- update gamma
         warp.gammaadv(np, pg.gaminv[il:iu], pg.uxp[il:iu], pg.uyp[il:iu], pg.uzp[il:iu], top.gamadv, top.lrelativ)
 
-        if self.l_verbose:print me, 'exit set_gamma'
+        if self.l_verbose:print(me, 'exit set_gamma')
 
     def push_positions(self, js, pg=None):
-        if self.l_verbose:print me, 'enter push_positions'
+        if self.l_verbose:print(me, 'enter push_positions')
         if pg is None:
             pg = top.pgroup
         np = pg.nps[js]
@@ -374,7 +374,7 @@ class TimeStepperFromPICSAR(object):
                      pg.uxp[il:iu], pg.uyp[il:iu], pg.uzp[il:iu],
                      pg.gaminv[il:iu], top.dt)
 
-        if self.l_verbose:print me, 'exit push_positions'
+        if self.l_verbose:print(me, 'exit push_positions')