Replaced the use of runpy for running Qt by a simple subprocess call. runpy would cause weird QTimer warnings.

build.py

@@ -72,7 +72,7 @@ def build_cocoa(edition, dev, help_destpath):
         'pe': 'cocoa/pe/build/{0}/dupeGuru\\ PE.app',
     }[edition].format(subfolder)
     tmpl = open('run_template_cocoa.py', 'rt').read()
-    run_contents = tmpl.format(app_path=app_path)
+    run_contents = tmpl.replace('{{app_path}}', app_path)
     open('run.py', 'wt').write(run_contents)
 
 def build_qt(edition, dev):
@@ -80,7 +80,7 @@ def build_qt(edition, dev):
     print_and_do("pyrcc4 -py3 {0} > {1}".format(op.join('qt', 'base', 'dg.qrc'), op.join('qt', 'base', 'dg_rc.py')))
     print("Creating the run.py file")
     tmpl = open('run_template_qt.py', 'rt').read()
-    run_contents = tmpl.format(edition=edition)
+    run_contents = tmpl.replace('{{edition}}', edition)
     open('run.py', 'wt').write(run_contents)
 
 def build_pe_modules(ui):

run_template_cocoa.py

@@ -4,7 +4,7 @@ import sys
 import os
 
 def main():
-    return os.system('open {app_path}')
+    return os.system('open {{app_path}}')
 
 if __name__ == '__main__':
     sys.exit(main())

run_template_qt.py

@@ -3,14 +3,13 @@
 import sys
 import os
 import os.path as op
-import runpy
+import subprocess
 
 def main():
     scriptpath = op.abspath(__file__)
     scriptfolder = op.dirname(scriptpath)
-    sys.path.insert(0, scriptfolder)
-    del sys.argv[0]
-    runpy.run_module('qt.{edition}.start', run_name="__main__")
+    newenv = {'PYTHONPATH': scriptfolder}
+    subprocess.Popen([sys.executable, '-m', 'qt.{{edition}}.start'], env=newenv)
 
 if __name__ == '__main__':
     sys.exit(main())