Python: Apply suggestions from code review

Co-authored-by: yoff <lerchedahl@gmail.com>

Author: RasmusWL

python/ql/lib/semmle/python/frameworks/internal/PoorMansFunctionResolution.qll

@@ -127,8 +127,8 @@ private DataFlow::Node getSimpleMethodReferenceWithinClass(Function func) {
  * print(inst.my_method)
  * ```
  *
- * But is able to handle simple method calls within a class, but does not take MRO into
- * account.
+ * But it is able to handle simple method calls within a class (but does not take MRO into
+ * account).
  * ```py
  * class MyClass:
  *     def method1(self);

python/ql/test/library-tests/frameworks/stdlib/wsgiref_simple_server_test.py

@@ -21,7 +21,7 @@ def func(environ, start_response): # $ requestHandler
     write(b"hello") # $ HttpResponse responseBody=b"hello"
     write(data=b" ") # $ HttpResponse responseBody=b" "
 
-    # function return value should be an iterable that will also be written to to the
+    # function return value should be an iterable that will also be written to the
     # response.
     return [b"world", b"!"] # $ HttpResponse responseBody=List