Do not flush on exit if there is no file specified

CHANGELOG.md

@@ -2,11 +2,15 @@
 
 This project uses Semantic Versioning
 
+## 0.3.1
+
+* Do not register exit flush if there is no storage file specified
+
 ## 0.3.0
 
-Added get_raw_json
+* Added get_raw_json
-Improved code formatting
+* Improved code formatting
-Switched to setuptools
+* Switched to setuptools
 
 ## 0.2.0
 
@@ -14,14 +18,14 @@ Added automatic creation of path for file writing
 
 ## 0.1.1
 
-Added:
+### Added:
 
-flush_on_exit: default argument to write to file on python close
+* flush_on_exit: default argument to write to file on python close
-changelog file
+* changelog file
 
-Changed:
+### Changed:
 
-Readme to correctly reflect public function count
+* Readme to correctly reflect public function count
 
 ## 0.0.1
 

deadsimplekv/__init__.py

@@ -47,7 +47,7 @@ class DeadSimpleKV:
         self._last_refresh = temp_time  # time last refreshed from disk
         self._last_flush = temp_time  # time last flushed to disk
 
-        if not file_path is None:
+        if file_path is not None:
             abs_path = os.path.dirname(os.path.abspath(file_path))
             if not os.path.exists(abs_path):
                 os.makedirs(abs_path)
@@ -58,7 +58,7 @@ class DeadSimpleKV:
         except TypeError:
             pass
 
-        if flush_on_exit:
+        if flush_on_exit and file_path:
             atexit.register(self.flush)
 
     def get(self, key):

setup.py

@@ -1,7 +1,7 @@
 from setuptools import setup, find_packages
 
 setup(name='deadsimplekv',
-      version='0.3.0',
+      version='0.3.1',
       description='Very simple key-value store for Python',
       author='Kevin Froman',
       author_email='beardog@mailbox.org',