Disable broken Pythia8 version detection via acmake in the CKKWL base JO

Generators/Pythia8_i/share/common/Pythia8_CKKWL_kTMerge.py

-
 try:
     PYTHIA8_nJetMax
 except RuntimeError:
     raise RuntimeError("Variable \"PYTHIA8_nJetMax\" is not defined, this is needed to configure Pythia8 CKKW-L kT merging settings. Please define it in your jobOptions")
 else:
-    print "PYTHIA8_nJetMax = %i"%PYTHIA8_nJetMax
-    
+    print "PYTHIA8_nJetMax = %i" % PYTHIA8_nJetMax
+
 try:
     PYTHIA8_Process
 except RuntimeError:
     raise RuntimeError("Variable \"PYTHIA8_Process\" is not defined, this is needed to configure Pythia8 CKKW-L kT merging settings. Please define it in your jobOptions")
 else:
-    print "PYTHIA8_Process = %s"%PYTHIA8_Process  
-    
+    print "PYTHIA8_Process = %s" % PYTHIA8_Process
+
 try:
     PYTHIA8_TMS
 except RuntimeError:
     raise RuntimeError("Variable \"TMS\" is not defined, this is needed to configure Pythia8 CKKW-L kT merging settings. Please define it in your jobOptions")
 else:
-    print "PYTHIA8_TMS = %f"%PYTHIA8_TMS
+    print "PYTHIA8_TMS = %f" % PYTHIA8_TMS
 
 try:
     PYTHIA8_Dparameter
 except RuntimeError:
     raise RuntimeError("Variable \"Dparameter\" is not defined, this is needed to configure Pythia8 CKKW-L kT merging settings. Please define it in your jobOptions")
 else:
-    print "PYTHIA8_Dparameter = %f"%PYTHIA8_Dparameter
+    print "PYTHIA8_Dparameter = %f" % PYTHIA8_Dparameter
 
 try:
     PYTHIA8_nQuarksMerge
 except RuntimeError:
     raise RuntimeError("Variable \"PYTHIA8_nQuarksMerge\" is not defined, this is needed to configure Pythia8 CKKW-L kT merging settings. Please define it in your jobOptions")
 else:
-    print "PYTHIA8_nQuarksMerge = %i"%PYTHIA8_nQuarksMerge
-    
+    print "PYTHIA8_nQuarksMerge = %i" % PYTHIA8_nQuarksMerge
+
 genSeq.Pythia8.Commands += ["Merging:doKTMerging = on",
                             "Merging:ktType = 1",
-                            "Merging:nJetMax = %i"%PYTHIA8_nJetMax,
-                            "Merging:Process = %s"%PYTHIA8_Process,
-                            "Merging:TMS = %f"%PYTHIA8_TMS,
-                            "Merging:Dparameter = %f"%PYTHIA8_Dparameter,
-                            "Merging:nQuarksMerge = %i"%PYTHIA8_nQuarksMerge]
-
-### Cross section fix only for versions prior to 8.219
-cmak_sys = os.getenv('CMAKE_PREFIX_PATH')
-if not cmak_sys:
-  print "we are running in cmt system" 
-  verstr = os.popen("cmt show versions External/Pythia8").read()
-  start=1
-  versions=[]
-  while start > 0:
-    start = verstr.find("Pythia8-", start + 1)
-    if start < 0:
-      break
-    versions.append(verstr[start+8: start+16])
-
-  versions.sort()
-  majorStr = versions[-1][3:5]
-else:
-  print "we are running in cmake system"
-  verstr = os.popen("acmake.py show_versions Pythia8_i").read()
-  majorStr=0
-  ver1=verstr[-6:-4]
-  ver2=verstr[-9:-7]
-  if ver1 == 12 and ver2==8:
-     majorStr=19
+                            "Merging:nJetMax = %i" % PYTHIA8_nJetMax,
+                            "Merging:Process = %s" % PYTHIA8_Process,
+                            "Merging:TMS = %f" % PYTHIA8_TMS,
+                            "Merging:Dparameter = %f" % PYTHIA8_Dparameter,
+                            "Merging:nQuarksMerge = %i" % PYTHIA8_nQuarksMerge]
 
-if int(majorStr) < 19:
-  genSeq.Pythia8.CKKWLAcceptance = True
+## VERSION DETECTION BROKEN! Disabling, since no < 8.219 runs from R21
+#
+# ### Cross-section fix only for versions prior to 8.219
+# cmak_sys = os.getenv('CMAKE_PREFIX_PATH')
+# if not cmak_sys:
+#   print "we are running in cmt system"
+#   verstr = os.popen("cmt show versions External/Pythia8").read()
+#   start=1
+#   versions=[]
+#   while start > 0:
+#     start = verstr.find("Pythia8-", start + 1)
+#     if start < 0:
+#       break
+#     versions.append(verstr[start+8: start+16])
 
+#   versions.sort()
+#   majorStr = versions[-1][3:5]
+# else:
+#   print "we are running in cmake system"
+#   verstr = os.popen("acmake.py show_versions Pythia8_i").read()
+#   majorStr=0
+#   ver1=verstr[-6:-4]
+#   ver2=verstr[-9:-7]
+#   if ver1 == 12 and ver2==8:
+#      majorStr=19
 
+# if int(majorStr) < 19:
+#   genSeq.Pythia8.CKKWLAcceptance = True