Add check for strings. Closes #12

configspec/manager.py

@@ -179,7 +179,10 @@ class ConfigManager():
         if isinstance(bundle_names, dict):
             for name, conf_spec in bundle_names.items():
                 config_values[name] = self.validate_bundle(name, conf_spec)
-                config_values[name] = self.get_config_bundle(name, conf_spec)
+        elif isinstance(bundle_names, str):
+            # Protection against a single name being passed anyway and otherwise
+            # being parsed as letters
+            config_values[bundle_names] = self.validate_bundle(bundle_names)
         else:
             for name in bundle_names:
                 config_values[name] = self.validate_bundle(name)
@@ -219,7 +222,12 @@ class ConfigManager():
         """
 
         config_values = {}
-        for name in bundle_names:
+        if isinstance(bundle_names, str):
+            # Protection against a single name being passed anyway and otherwise
+            # being parsed as letters
+            config_values[bundle_names] = self.get_config_bundle(bundle_names)
+        else:
+            for name in bundle_names:
                 config_values[name] = self.get_config_bundle(name)
 
         return config_values