Merge branch 'da/maint-python-startup'

* da/maint-python-startup:
  Makefile: Remove usage of deprecated Python "has_key" method
diff --git a/Makefile b/Makefile
index 9d850f4..956e781 100644
--- a/Makefile
+++ b/Makefile
@@ -1612,9 +1612,8 @@
 	    -e '}' \
 	    -e 's|^import sys.*|&; \\\
 	           import os; \\\
-	           sys.path[0] = os.environ.has_key("GITPYTHONLIB") and \\\
-	                         os.environ["GITPYTHONLIB"] or \\\
-	                         "@@INSTLIBDIR@@"|' \
+	           sys.path.insert(0, os.getenv("GITPYTHONLIB",\
+	                                        "@@INSTLIBDIR@@"));|' \
 	    -e 's|@@INSTLIBDIR@@|'"$$INSTLIBDIR"'|g' \
 	    $@.py >$@+ && \
 	chmod +x $@+ && \