Changed small spelling error.

PythonServer/pos-python-server.py

@@ -26,7 +26,7 @@ try:
     Repo.clone_from(pv_repo, './repo')
     pvfiles=glob('./repo/*.txt')
 except:
-    print('PV Reopsitory not available')
+    print('PV Repository not available')
     quit()
 
 pvlist=[]