update requests

lib/requests/packages.py

@@ -1,26 +1,23 @@
 import sys
 
-try:
-    import chardet
-except ImportError:
-    import charset_normalizer as chardet
-    import warnings
-
-    warnings.filterwarnings('ignore', 'Trying to detect', module='charset_normalizer')
+from .compat import chardet
 
 # This code exists for backwards compatibility reasons.
 # I don't like it either. Just look the other way. :)
 
-for package in ('urllib3', 'idna'):
+for package in ("urllib3", "idna"):
     locals()[package] = __import__(package)
     # This traversal is apparently necessary such that the identities are
     # preserved (requests.packages.urllib3.* is urllib3.*)
     for mod in list(sys.modules):
-        if mod == package or mod.startswith(package + '.'):
-            sys.modules['requests.packages.' + mod] = sys.modules[mod]
+        if mod == package or mod.startswith(f"{package}."):
+            sys.modules[f"requests.packages.{mod}"] = sys.modules[mod]
 
-target = chardet.__name__
-for mod in list(sys.modules):
-    if mod == target or mod.startswith(target + '.'):
-        sys.modules['requests.packages.' + target.replace(target, 'chardet')] = sys.modules[mod]
-# Kinda cool, though, right?
+if chardet is not None:
+    target = chardet.__name__
+    for mod in list(sys.modules):
+        if mod == target or mod.startswith(f"{target}."):
+            imported_mod = sys.modules[mod]
+            sys.modules[f"requests.packages.{mod}"] = imported_mod
+            mod = mod.replace(target, "chardet")
+            sys.modules[f"requests.packages.{mod}"] = imported_mod