number of samples in 2bf2fits is changed to be at least 8192

pulp_pipeunitpart.py

@@ -381,6 +381,8 @@ class PipeUnitPart(PipeUnit):
                                                         if ss.sapid == self.sapid:
                                                                 sap = ss
                                                 nsamples=int(49152 / (self.nrChanPerSub * self.downsample_factor)) # this roughly corresponds to a ~250ms block
+                                                if nsamples < 8192: # VK: changing this value as 8192 (or higher) is usually used and passing block size in TMSS does not currently work - 23.04.2024
+                                                        nsamples = 8192
                                                 # then we tweak this value to be sure it's common denominator of the total number of samples
                                                 nsamples=self.lcd(nsamples, os.path.getsize(input_file)/(4*nsubs_eff*self.nrChanPerSub))
                                                 cmd="2bf2fits %s %s -append -nbits 8 -A %d -sigma %d -nsubs %d -sap %d -tab %d -part %d -stokes %d -o %s \