changed ValueError to KeyError

Author: Matthias Ekundayo

data_diff/databases/presto.py

@@ -1,3 +1,4 @@
+from logging import raiseExceptions
 import re
 from .database_types import *
 from .base import Database, import_helper, _query_conn
@@ -46,7 +47,7 @@ def __init__(self, **kw):
             # if auth=basic, add basic authenticator for Presto
             kw["auth"] = prestodb.auth.BasicAuthentication(kw.pop("user"), kw.pop("password"))
         except:
-            raise ValueError("User or password cannot be missing if auth==basic")
+            raise KeyError("User or password cannot be missing if auth==basic")
 
         if "cert" in kw:  # if a certificate was specified in URI, verify session with cert
             cert = kw.pop("cert")

data_diff/databases/snowflake.py

@@ -43,7 +43,7 @@ def __init__(self, *, schema: str, **kw):
             with open(kw.get("key"), "rb") as key:
                 p_key = serialization.load_pem_private_key(
                     key.read(),
-                    password=None if not kw.get("password") else kw.pop("password"),
+                    password=kw.pop("password", None),
                     backend=default_backend(),
                 )