prevent emitting bogus requires

restrict matching "from gi.repository import" at start of lines

such as in sugar's src/jarabe/view/viewsource.py:
typelib()
typelib(3)
typelib(=)
typelib(GConf)
typelib(Gtk:)
typelib(Maliit)
typelib(_IMPORT_TYPES)
typelib({sugar3:)

Index: SOURCES/gi-find-deps.sh
===================================================================
--- SOURCES/gi-find-deps.sh	(révision 1016718)
+++ SOURCES/gi-find-deps.sh	(copie de travail)
@@ -60,7 +60,7 @@
 }
 
 function python_requires {
-	for module in $(grep -h -P "from gi\.repository import (\w+)" $1 | sed -e 's:#.*::' -e 's:raise ImportError.*::' -e 's:.*"from gi.repository import .*".*::' | sed -e 's,from gi.repository import,,' -r -e 's:\s+$::g' -e 's:\s+as\s+\w+::g' -e 's:,: :g'); do
+	for module in $(grep -h -P "^from gi\.repository import (\w+)" $1 | sed -e 's:#.*::' -e 's:raise ImportError.*::' -e 's:.*"from gi.repository import .*".*::' | sed -e 's,from gi.repository import,,' -r -e 's:\s+$::g' -e 's:\s+as\s+\w+::g' -e 's:,: :g'); do
 		split_name_version $module
 		print_req_prov
 		# Temporarly disabled... this is not true if the python code is written for python3... And there seems no real 'way' to identify this.