diff --git a/Makefile.version b/Makefile.version
index 46c7488c61ce6b44ea7ca66af30b9e478a0f4a13..00a57c8f92eb7e8550b6ce09cdb8788b8b38566b 100644
--- a/Makefile.version
+++ b/Makefile.version
@@ -3,7 +3,7 @@ export PROJECT=drspine
 
 export VERSION_MAJOR=1
 export VERSION_MINOR=4
-export VERSION_RELEASE=3
+export VERSION_RELEASE=4
 
 export PROJLIB=lib$(PROJECT).a
 export PROJARCH=$(PROJECT)-$(VERSION_MAJOR).$(VERSION_MINOR)
diff --git a/drspine.spec b/drspine.spec
index e09656c9e50a5822c1828e28d21e0e44403e1e63..5fdee4b0a26e7587635fba870a44697587ead580 100644
--- a/drspine.spec
+++ b/drspine.spec
@@ -2,20 +2,21 @@
 %global summary Data reduction software for the Neutron Spin Echo method.
 %global _libdir %{_prefix}/lib
 %define release 1
-%define python3_pkgversion 3
+%define python3_pkgversion 3.9
 %define __unzip /usr/bin/unzip
 %define __copydir cp -a
 
-Name:           %{srcname}
-Version:        1.4.3
+Name:           python%{python3_pkgversion}-%{srcname}
+Version:        1.4.4
 Release:        %{release}%{?dist}
 
 Summary:        %{summary}
+Obsoletes:      drspine <= 1.4.3
 Group:          Development/Libraries
 
 License:        MIT
 URL:            https://code.ornl.gov/zp1/drspine/
-Source0:        %{name}-%{version}.tar.gz
+Source0:        %{srcname}-%{version}.tar.gz
 Source1:        appendix.zip
 Source2:        cprotect.zip
 Source3:        draftwatermark.zip
@@ -29,7 +30,7 @@ Requires:       libgfortran%{?_isa}, compat-libgfortran-48%{?_isa}, python%{pyth
 %{summary}
 
 %prep
-%setup -q
+%setup -q -n  %{srcname}-%{version} -n  %{srcname}-%{version}
 %{__unzip} -q %{SOURCE1}
 %{__unzip} -q %{SOURCE2}
 %{__unzip} -q %{SOURCE3}
@@ -44,24 +45,24 @@ Requires:       libgfortran%{?_isa}, compat-libgfortran-48%{?_isa}, python%{pyth
 pushd ./appendix
   latex ./appendix.ins
   %{__install} -m 644  appendix.sty  %{_builddir}%{_datadir}/texmf/tex/latex/contrib
-  %{__install} -m 644  appendix.sty  %{_builddir}/%{name}-%{version}/doc
+  %{__install} -m 644  appendix.sty  %{_builddir}/%{srcname}-%{version}/doc
 popd
 
 pushd ./draftwatermark
   latex ./draftwatermark.ins
   %{__install} -m 644 draftwatermark.sty %{_builddir}%{_datadir}/texmf/tex/latex/contrib
-  %{__install} -m 644 draftwatermark.sty %{_builddir}/%{name}-%{version}/doc
+  %{__install} -m 644 draftwatermark.sty %{_builddir}/%{srcname}-%{version}/doc
 popd
 
 pushd ./relsize
   %{__install} -m 644 relsize.sty %{_builddir}%{_datadir}/texmf/tex/latex/contrib
-  %{__install} -m 644 relsize.sty %{_builddir}/%{name}-%{version}/doc
+  %{__install} -m 644 relsize.sty %{_builddir}/%{srcname}-%{version}/doc
 popd
 
 pushd ./cprotect
   latex ./cprotect.dtx
   %{__install} -m 644 cprotect.sty %{_builddir}%{_datadir}/texmf/tex/latex/contrib
-  %{__install} -m 644 cprotect.sty %{_builddir}/%{name}-%{version}/doc
+  %{__install} -m 644 cprotect.sty %{_builddir}/%{srcname}-%{version}/doc
 popd
 
 %{__make} INSTRUMENT=1 GRDIR=%{_usr}/gr  all
@@ -70,13 +71,17 @@ popd
 #copy the latex in the build directory
 %{__install} -d -m 0755 %{buildroot}%{_datadir}/texmf/tex/latex/contrib
 %{__copydir} %{_builddir}%{_datadir}/texmf/tex/latex/contrib/* %{buildroot}%{_datadir}/texmf/tex/latex/contrib/
-%make_install DESTDIR=%{buildroot}%{_prefix}
+%make_install DESTDIR=%{buildroot}%{_prefix} PYTHONDESTDIR=%{buildroot}
 # put icons in the right place
 %{__mkdir} -p %{buildroot}/%{_datadir}/pixmaps/
 %{__install} -m 644 desktop/drspine.png        %{buildroot}/%{_datadir}/pixmaps/
 # put desktop files in the right place
 %{__mkdir} -p %{buildroot}%{_datadir}/applications/
 %{__install} -m 644 desktop/drspine.desktop    %{buildroot}%{_datadir}/applications/
+# rename and put drspine_exec_wrapper files in the right place
+mv sources/drspine    %{buildroot}%{_bindir}/drspine.bin
+mv drspine_wrapper    %{buildroot}%{_bindir}/drspine
+
 
 %check
 #test after install step
@@ -89,15 +94,15 @@ mktexlsr %{_datadir}/texmf > /dev/null || :
 %doc README.md
 %license LICENSE.drspine LICENSE.linenoise
 # the files are in <pkg_name>/bin, <pkg_name>/lib, <pkg_name>/share
-# the default macros point to  <pkg_name>/usr/bin, <pkg_name>/usr/lib, etc and cannot be used
 %{_bindir}/drspine
+%{_bindir}/drspine.bin
 %{_bindir}/drspine_activate.sh
 %{_bindir}/drspine_create_env.sh
 %{_bindir}/extract_figures
 %{_bindir}/mxx
 %{_bindir}/plain_figures
-%{_libdir}/python/drspine/*
-%{_libdir}/python/drspine-*.egg-info
+%{python3_sitelib}/drspine/*
+%{python3_sitelib}/drspine-*.egg-info
 %{_libdir}/libdrspine.a
 %{_datadir}/applications/drspine.desktop
 %{_datadir}/drspine/*
diff --git a/drspine_wrapper b/drspine_wrapper
new file mode 100755
index 0000000000000000000000000000000000000000..251de4775e016d23b7985ec88ec313dc7c6d9662
--- /dev/null
+++ b/drspine_wrapper
@@ -0,0 +1,8 @@
+#!/bin/bash
+profile_home=`ipython profile locate drspine 2> /dev/null`
+profile_exists=$?
+if [ $profile_exists -eq 1 ]; then
+    echo "drspine ipython profile not found: ${profile_home} ${profile_exists}"
+    drspine_create_env.sh -rv
+fi
+drspine.bin $*
\ No newline at end of file
diff --git a/python/Makefile b/python/Makefile
index 98a089500730b33dbd20af807369fc72d07fae5d..4c161fa7db4ef97d47eb9e9e28aee7bce6e922bc 100644
--- a/python/Makefile
+++ b/python/Makefile
@@ -25,6 +25,11 @@ ifeq "$(findstring s, $(MAKEFLAGS))" "s"
 SETUP_FLAG=-q
 endif
 
+#installation process
+INSTALLATION_PARAMS=--home $(DESTDIR)
+ifneq "$(PYTHONDESTDIR)" ""
+INSTALLATION_PARAMS=--root "${PYTHONDESTDIR}"
+endif
 
 all: build
 
@@ -35,8 +40,8 @@ build:
 	@$(PYTHON) setup.py  $(SETUP_FLAG) build
 
 install:
-	@$(PYTHON)  setup.py install --home $(DESTDIR)
-
+	@$(PYTHON) setup.py install $(INSTALLATION_PARAMS)
+	echo "---------------- ------------------- INSTALLATION_PARAMS $(INSTALLATION_PARAMS) ---------------------"
 clean:
 	@-$(PYTHON) setup.py -q clean
 	@find . -name '*~' | xargs rm -f