do not ignore arbitrary Exceptions

tests/test_dataset.py

@@ -35,33 +35,33 @@ def compareFiles(fn, strIn, strOut, skiplines=0, nlines=-1):  # pragma: no cover
             valid_data_line = False
             # maybe this is a data line in which we only have different number formatting?
             # compare as floats
-            try:
-                insteps = [float(x) for x in inline.split(",")]
-                outsteps = [float(x) for x in outline.split(",")]
-                if len(insteps) == len(outsteps):
-                    valid_data_line = True
-                    for i in range(len(insteps)):
-                        valid_data_line = valid_data_line and insteps[i] == outsteps[i]
-            except:
-                pass
+            # try:
+            insteps = [float(x) for x in inline.split(",")]
+            outsteps = [float(x) for x in outline.split(",")]
+            if len(insteps) == len(outsteps):
+                valid_data_line = True
+                for i in range(len(insteps)):
+                    valid_data_line = valid_data_line and insteps[i] == outsteps[i]
+            # except:
+            #     pass
 
             valid_var_line = False
-            try:
-                insteps = [x.strip() for x in inline.split(",")]
-                outsteps = [x.strip() for x in outline.split(",")]
-                if len(insteps) == 2 and len(outsteps) == 3:
-                    valid_var_line = (
-                        insteps[0] == outsteps[0]
-                        and insteps[1] == outsteps[1]
-                        and insteps[1] == outsteps[2]
-                    )
-            except:
-                pass
+            # try:
+            insteps = [x.strip() for x in inline.split(",")]
+            outsteps = [x.strip() for x in outline.split(",")]
+            if len(insteps) == 2 and len(outsteps) == 3:
+                valid_var_line = (
+                    insteps[0] == outsteps[0]
+                    and insteps[1] == outsteps[1]
+                    and insteps[1] == outsteps[2]
+                )
+            # except:
+            #     pass
 
             if not valid_data_line and not valid_var_line:
-                print("{:s}: line {:d} differs:".format(fn, i))
-                print("  input: {:s}".format(inline))
-                print(" output: {:s}".format(outline))
+                print(f"{str(fn)}: line {i:d} differs:")
+                print(f"  input: {inline}")
+                print(f" output: {outline}")
 
                 return False
 
@@ -352,4 +352,4 @@ class BulkIOTestCase(unittest.TestCase):
 
 
 if __name__ == "__main__":  # pragma: no cover
-    unittest.main()
+    unittest.main()
\ No newline at end of file