diff --git a/python3.spec b/python3.spec
index 3685429..dd8196b 100644
--- a/python3.spec
+++ b/python3.spec
@@ -3,7 +3,7 @@
 %define        libname    libpython3
 %define        __libdir   %{_libdir}
 Name:          python3
-Version:       3.7.9
+Version:       3.7.10
 Release:       1mamba
 Summary:       An interpreted, interactive, object-oriented programming language
 Group:         Applications/Development
@@ -50,12 +50,12 @@ BuildRequires: libtk >= 8.4.11
 %endif
 BuildRequires: python-pip-py3
 BuildRequires: python-setuptools-py3
-Requires:      %{libname} = %{version}-%{release}
+Requires:      %{libname} = %{?epoch:%epoch:}%{version}-%{release}
 Provides:      python-abi = %{majversion}
 Provides:      python(abi) = %{majversion}
 Provides:      /usr/bin/python
 Provides:      /usr/bin/python3
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
+Obsoletes:     python3-doc < 3.7.10
 
 %description
 Python is an interpreted, interactive, object-oriented programming language. It is often compared to Tcl, Perl, Scheme or Java.
@@ -80,9 +80,9 @@ This package contains the libraries for Python.
 %package -n %{libname}-devel
 Group:         Development/Libraries/Python
 Summary:       Devel package for Python
-Requires:      %{libname} = %{version}-%{release}
-Provides:      %{name}-devel = %{version}-%{release}
-Obsoletes:     %{name}-devel
+Requires:      %{libname} = %{?epoch:%epoch:}%{version}-%{release}
+Provides:      %{name}-devel = %{?epoch:%epoch:}%{version}-%{release}
+Obsoletes:     %{name}-devel < 3.7.10
 
 %description -n %{libname}-devel
 Python is an interpreted, interactive, object-oriented programming language. It is often compared to Tcl, Perl, Scheme or Java.
@@ -96,7 +96,7 @@ This package contains the development files for Python.
 %package doc
 Group:         Documentation
 Summary:       Documentation package for Python
-Requires:      %{name} = %{version}-%{release}
+Requires:      %{name} = %{?epoch:%epoch:}%{version}-%{release}
 
 %description doc
 Python is an interpreted, interactive, object-oriented programming language. It is often compared to Tcl, Perl, Scheme or Java.
@@ -110,7 +110,7 @@ This package contains the documentation files for Python in HTML format.
 %package tk
 Group:         System/Libraries/Python
 Summary:       Tk library for Python
-Requires:      %{name} = %{version}-%{release}
+Requires:      %{name} = %{?epoch:%epoch:}%{version}-%{release}
 
 %description tk
 Python is an interpreted, interactive, object-oriented programming language. It is often compared to Tcl, Perl, Scheme or Java.
@@ -165,12 +165,13 @@ chmod 755 %{buildroot}%{__libdir}/libpython%{majversion}m.so.*
 cd Doc
 
 ###sed -i s@/usr/bin/env@/bin/env@ tools/mkhowto
-PATH=$PATH:%{_builddir}/Python-%{version}/Doc/tools
-make html
-
-install -d %{buildroot}%{_defaultdocdir}/%{name}-%{version}
-cp -R  build/html build/doctrees %{buildroot}%{_defaultdocdir}/%{name}-%{version}
-rm -f `find %{buildroot}%{_defaultdocdir}/%{name}-%{version}/html/.cvsignore`
+# NOTE: html docs don't build with recent Sphinx (3.5.2)
+#PATH=$PATH:%{_builddir}/Python-%{version}/Doc/tools
+#make html
+#
+#install -d %{buildroot}%{_defaultdocdir}/%{name}-%{version}
+#cp -R  build/html build/doctrees %{buildroot}%{_defaultdocdir}/%{name}-%{version}
+#rm -f `find %{buildroot}%{_defaultdocdir}/%{name}-%{version}/html/.cvsignore`
 
 #make PAPER=a4 pdf
 %endif
@@ -213,6 +214,16 @@ fi
 %post -n %{libname} -p /sbin/ldconfig
 %postun -n %{libname} -p /sbin/ldconfig
 
+%transfiletriggerpostun -P 2000000 -- %{__libdir}/python%{majversion}/site-packages
+find %{__libdir}/python%{majversion}/site-packages/*.egg-info -type d -empty -exec rmdir {} \;
+:
+
+%ifarch x86_64 aarch64
+%transfiletriggerpostun -P 2000000 -- %{_prefix}/lib/python%{majversion}/site-packages
+find %{__libdir}/python%{majversion}/site-packages/*.egg-info -type d -empty -exec rmdir {} \;
+:
+%endif
+
 %files
 %defattr(-,root,root)
 %{_bindir}/2to3-%{majversion}
@@ -262,15 +273,19 @@ fi
 %defattr(-,root,root)
 %{__libdir}/python%{majversion}/lib-dynload/_tkinter*.so
 
-%files doc
-%defattr(-,root,root)
-%dir %{_defaultdocdir}/%{name}-%{version}/html/
-%{_defaultdocdir}/%{name}-%{version}/html/*
-%dir %{_defaultdocdir}/%{name}-%{version}/doctrees
-%{_defaultdocdir}/%{name}-%{version}/doctrees/*
+#%files doc
+#%defattr(-,root,root)
+#%dir %{_defaultdocdir}/%{name}-%{version}/html/
+#%{_defaultdocdir}/%{name}-%{version}/html/*
+#%dir %{_defaultdocdir}/%{name}-%{version}/doctrees
+#%{_defaultdocdir}/%{name}-%{version}/doctrees/*
 %endif
 
 %changelog
+* Tue Mar 09 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 3.7.10-1mamba
+- update to 3.7.10
+- added posttransfiletrigger's to cleanup empty *.egg-info directories
+
 * Fri Jan 01 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 3.7.9-1mamba
 - update to 3.7.9
 - install macros.pyver with custom pyver macros updated and to be moved from macros.python