Fix remaining SyntaxWarnings

Author: kchason

sqlite_dissect/file/schema/column.py

@@ -544,7 +544,7 @@ def _is_column_constraint_preface(segment):
             Note: When the check is done on the segment, we check the next character is not one of the allowed
                   characters in a column name, data type, etc. to make sure the constraint preface is not the 
                   beginning of a longer name where it is not actually a constraint preface (example: primaryEmail).
-                  The r"\w" regular expression when no LOCALE and UNICODE flags are set will be equivalent to the set:
+                  The regular expression when no LOCALE and UNICODE flags are set will be equivalent to the set:
                   [a-zA-Z0-9_].
 
             """

sqlite_dissect/file/schema/master.py

@@ -1414,7 +1414,7 @@ class for parsing.  This was decided to be the best way to associate comments ba
                         Note: When the check is done on the definition, we check the next character is not one of the
                               allowed characters in a column name to make sure the constraint preface is not the
                               beginning of a longer column name where it is not actually a constraint preface
-                              (example: primaryEmail).  The r'\w' regular expression when no LOCALE and UNICODE flags
+                              (example: primaryEmail).  The regular expression when no LOCALE and UNICODE flags
                               are set will be equivalent to the set: [a-zA-Z0-9_].
 
                         """