Wraps sanitize_error in try except

Since we don't want this code to cause
a cryptic error message for the end user,
so we wrap it in a try except.

hamilton/telemetry.py

@@ -240,24 +240,30 @@ def sanitize_error(exc_type, exc_value, exc_traceback) -> str:
     :param exc_traceback: pulled from `sys.exc_info()`
     :return: string to use for telemetry
     """
-    import traceback
-
-    te = traceback.TracebackException(exc_type, exc_value, exc_traceback)
-    sanitized_string = ""
-    for f in te.stack:
-        s = f.filename.split(os.sep)
-        # take last 3 places only -- that's how deep hamilton is.
-        s = s[-3:]
-        s.reverse()
-        if "hamilton" not in s:
-            sanitized_string += "...<USER_CODE>...\n"
-            continue
-        file_name = ""
-        for part in s:
-            if part == "hamilton":
-                file_name = ".../hamilton" + file_name
-                break
-            else:
-                file_name = "/" + part + file_name
-        sanitized_string += f"{file_name}, line {f.lineno}, in {f.name}\n"
-    return sanitized_string
+    try:
+        import traceback
+
+        te = traceback.TracebackException(exc_type, exc_value, exc_traceback)
+        sanitized_string = ""
+        for f in te.stack:
+            s = f.filename.split(os.sep)
+            # take last 3 places only -- that's how deep hamilton is.
+            s = s[-3:]
+            s.reverse()
+            if "hamilton" not in s:
+                sanitized_string += "...<USER_CODE>...\n"
+                continue
+            file_name = ""
+            for part in s:
+                if part == "hamilton":
+                    file_name = ".../hamilton" + file_name
+                    break
+                else:
+                    file_name = "/" + part + file_name
+            sanitized_string += f"{file_name}, line {f.lineno}, in {f.name}\n"
+        return sanitized_string
+    except Exception as e:
+        # we don't want this to fail
+        if logger.isEnabledFor(logging.DEBUG):
+            logger.debug(f"Encountered exception sanitizing error. Got:\n{e}")
+        return "FAILED_TO_SANITIZE_ERROR"