Updates tests due ot interface change and fix betas

pyfstat.py

@@ -537,7 +537,10 @@ class MCMCSearch(BaseSearchClass):
         self.theta_prior['tend'] = self.tend
         self.unpack_input_theta()
         self.ndim = len(self.theta_keys)
+        if self.log10temperature_min:
             self.betas = np.logspace(0, self.log10temperature_min, self.ntemps)
+        else:
+            self.betas = None
 
         if earth_ephem is None:
             self.earth_ephem = self.earth_ephem_default
@@ -1233,7 +1236,10 @@ _        sftfilepath: str
         self.pickle_path = '{}/{}_saved_data.p'.format(self.outdir, self.label)
         self.unpack_input_theta()
         self.ndim = len(self.theta_keys)
+        if self.log10temperature_min:
             self.betas = np.logspace(0, self.log10temperature_min, self.ntemps)
+        else:
+            self.betas = None
         if earth_ephem is None:
             self.earth_ephem = self.earth_ephem_default
         if sun_ephem is None:

tests.py

@@ -32,16 +32,16 @@ class TestWriter(Test):
 
     def test_makefakedata_usecached(self):
         Writer = pyfstat.Writer(self.label, outdir=outdir)
-        if os.path.isfile(Writer.sft_filepath):
-            os.remove(Writer.sft_filepath)
+        if os.path.isfile(Writer.sftfilepath):
+            os.remove(Writer.sftfilepath)
         Writer.run_makefakedata()
-        time_first = os.path.getmtime(Writer.sft_filepath)
+        time_first = os.path.getmtime(Writer.sftfilepath)
         Writer.run_makefakedata()
-        time_second = os.path.getmtime(Writer.sft_filepath)
+        time_second = os.path.getmtime(Writer.sftfilepath)
         self.assertTrue(time_first == time_second)
         os.system('touch {}'.format(Writer.config_file_name))
         Writer.run_makefakedata()
-        time_third = os.path.getmtime(Writer.sft_filepath)
+        time_third = os.path.getmtime(Writer.sftfilepath)
         self.assertFalse(time_first == time_third)