--- a/eric6.py	Sat Feb 16 17:22:24 2019 +0100
+++ b/eric6.py	Sun Feb 17 12:57:26 2019 +0100
@@ -298,6 +298,9 @@
     if not Globals.checkBlacklistedVersions():
         sys.exit(100)
     
+    if "__PYVENV_LAUNCHER__" in os.environ:
+        del os.environ["__PYVENV_LAUNCHER__"]
+    
     from Toolbox import Startup
     # set the library paths for plugins
     Startup.setLibraryPaths()