Fix: ipykernel_launcher, delete absolute sys.path[0] (#1206)

Author: stdll00

ipykernel_launcher.py

@@ -5,11 +5,12 @@
 """
 
 import sys
+from pathlib import Path
 
 if __name__ == "__main__":
     # Remove the CWD from sys.path while we load stuff.
     # This is added back by InteractiveShellApp.init_path()
-    if sys.path[0] == "":
+    if sys.path[0] == "" or Path(sys.path[0]) == Path.cwd():
         del sys.path[0]
 
     from ipykernel import kernelapp as app