Fix up minor typo and hard depend on >= python 3.4.

volatility/framework/__init__.py

@@ -84,4 +84,4 @@ def import_files(base_module):
 # Check the python version to ensure it's suitable
 required_python_version = (3, 4)
 if sys.version_info.major != required_python_version[0] or sys.version_info.minor < required_python_version[1]:
-    raise RuntimeError("Volatility framework requires python version {}.{} or greater".format(required_python_version))
+    raise RuntimeError("Volatility framework requires python version {}.{} or greater".format(*required_python_version))

volatility/framework/symbols/__init__.py

@@ -6,6 +6,7 @@ Created on 7 Feb 2013
 
 import collections
 import collections.abc
+import enum
 import logging
 
 from volatility.framework import constants, exceptions, interfaces, objects
@@ -14,11 +15,10 @@ from volatility.framework.symbols import native, windows
 vollog = logging.getLogger(__name__)
 
 
-class SymbolType(object):
-    # Suitably random values until we make this an Enum and require python >= 3.4
-    TYPE = 143534545
-    SYMBOL = 28293045
-    ENUM = 395940348
+class SymbolType(enum.Enum):
+    TYPE = 1
+    SYMBOL = 2
+    ENUM = 3
 
 
 class SymbolSpace(collections.abc.Mapping):