Took a hacksaw and split tcllib into several small parts.

tcllib/credentials.py

@@ -0,0 +1,22 @@
+# -*- coding: utf-8 -*-
+
+import base64
+
+class Credentials:
+    @staticmethod
+    def get_creds():
+        creds = {
+            b"YWNjb3VudA==": b"emhlbmdodWEuZ2Fv",
+            b"cGFzc3dvcmQ=": b"cWFydUQ0b2s=",
+        }
+        params = {base64.b64decode(key): base64.b64decode(val) for key, val in creds.items()}
+        return params
+
+    @staticmethod
+    def get_creds2():
+        creds = {
+            b"YWNjb3VudA==": b"VGVsZUV4dFRlc3Q=",
+            b"cGFzc3dvcmQ=": b"dDA1MjM=",
+        }
+        params = {base64.b64decode(key): base64.b64decode(val) for key, val in creds.items()}
+        return params