refactor(util.uri): refactor dict comprehension (#1783)

* Initial fixes and formatting using autopep8

* revert fixes and updated master with upstream branch

* Add .deepsource.toml

* Use literal syntax instead of function calls to create data structure

* Remove unnecessary generator

* Replace ternary syntax with if expression

* revert fix - Use literal syntax instead of function calls to create data structure, Replace ternary syntax with if expression

* Delete .deepsource.toml

* Update .gitignore

* fixed pep8 voilation occuring in ci check

falcon/util/uri.py

@@ -49,9 +49,9 @@
 _HEX_DIGITS = '0123456789ABCDEFabcdef'
 
 # This map construction is based on urllib's implementation
-_HEX_TO_BYTE = dict(((a + b).encode(), bytes([int(a + b, 16)]))
-                    for a in _HEX_DIGITS
-                    for b in _HEX_DIGITS)
+_HEX_TO_BYTE = {(a + b).encode(): bytes([int(a + b, 16)])
+                for a in _HEX_DIGITS
+                for b in _HEX_DIGITS}
 
 _PYPY = platform.python_implementation() == 'PyPy'