Merge pull request #247 from opensource9ja/239-dataframe-cant-drop-or-rename

[#239] Dataframe can't drop and rename

Author: risenW

danfojs-browser/src/core/frame.js

@@ -2058,6 +2058,7 @@ export class DataFrame extends Ndframe {
     col_vals.forEach((col, i) => {
       // self[col_names[i]] = new Series(col, { columns: col_names[i], index: self.index })
       Object.defineProperty(self, col_names[i], {
+        configurable: true,
         get() {
           return new Series(col, { columns: col_names[i], index: self.index });
         },

danfojs-node/src/core/frame.js

@@ -2074,6 +2074,7 @@ export class DataFrame extends Ndframe {
     col_vals.forEach((col, i) => {
       // self[col_names[i]] = new Series(col, { columns: col_names[i], index: self.index })
       Object.defineProperty(self, col_names[i], {
+        configurable: true,
         get() {
           return new Series(col, { columns: col_names[i], index: self.index });
         },