Don't lowercase all of self.proxy

Author: opsdisk

setup.py

@@ -5,7 +5,7 @@
 
 setuptools.setup(
     name="yagooglesearch",
-    version="1.8.0",
+    version="1.8.1",
     author="Brennon Thomas",
     author_email="info@opsdisk.com",
     description="A Python library for executing intelligent, realistic-looking, and tunable Google searches.",

yagooglesearch/__init__.py

@@ -2,7 +2,6 @@
 import logging
 import os
 import random
-import sys
 import time
 import urllib
 
@@ -12,7 +11,7 @@
 
 # Custom Python libraries.
 
-__version__ = "1.8.0"
+__version__ = "1.8.1"
 
 # Logging
 ROOT_LOGGER = logging.getLogger("yagooglesearch")
@@ -208,18 +207,18 @@ def __init__(
 
         # Update proxy_dict if a proxy is provided.
         if proxy:
-            # Standardize case since the scheme will be checked against a hard-coded list.
-            self.proxy = proxy.lower()
+            self.proxy = proxy
 
             urllib_object = urllib.parse.urlparse(self.proxy)
-            scheme = urllib_object.scheme
+            # Standardize case since the scheme will be checked against a hard-coded list.
+            scheme = urllib_object.scheme.lower()
 
             if scheme not in ["http", "https", "socks5", "socks5h"]:
                 ROOT_LOGGER.error(
-                    f'The provided proxy scheme ("{scheme}") is not valid and must be either "http", "https", "socks5"'
+                    f'The provided proxy scheme "{scheme}" is not valid and must be either "http", "https", "socks5"'
                     ', or "socks5h"'
                 )
-                sys.exit(1)
+                return []
 
             self.proxy_dict = {
                 "http": self.proxy,