Simplify configuration setup

freqtrade/configuration/configuration.py

@@ -300,10 +300,8 @@ class Configuration:
         self._args_to_config(config, argname='hyperoptexportfilename',
                              logstring='Using hyperopt file: {}')
 
-        if self.args.get('lookahead_analysis_exportfilename'):
-            if self.args["lookahead_analysis_exportfilename"] is not None:
-                self._args_to_config(config, argname='lookahead_analysis_exportfilename',
-                                     logstring='saving lookahead analysis results into {} ...')
+        self._args_to_config(config, argname='lookahead_analysis_exportfilename',
+                             logstring='Saving lookahead analysis results into {} ...')
 
         self._args_to_config(config, argname='epochs',
                              logstring='Parameter --epochs detected ... '

freqtrade/optimize/lookahead_analysis_helpers.py

@@ -15,6 +15,7 @@ logger = logging.getLogger(__name__)
 
 
 class LookaheadAnalysisSubFunctions:
+
     @staticmethod
     def text_table_lookahead_analysis_instances(
             config: Dict[str, Any],

tests/optimize/test_lookahead_analysis.py

@@ -114,12 +114,11 @@ def test_lookahead_helper_text_table_lookahead_analysis_instances(lookahead_conf
     analysis.false_entry_signals = 4
     analysis.false_exit_signals = 3
 
-    strategy_obj = \
-        {
-            'name': "strategy_test_v3_with_lookahead_bias",
-            'location': PurePosixPath(lookahead_conf['strategy_path'],
-                                      f"{lookahead_conf['strategy']}.py")
-        }
+    strategy_obj = {
+        'name': "strategy_test_v3_with_lookahead_bias",
+        'location': PurePosixPath(lookahead_conf['strategy_path'],
+                                  f"{lookahead_conf['strategy']}.py")
+    }
 
     instance = LookaheadAnalysis(lookahead_conf, strategy_obj)
     instance.current_analysis = analysis