fixed tfWorking

app/views.py

@@ -112,10 +112,11 @@ def wtform():
 
 tfWorking = -1
 
-try:
+if tfWorking == -1:
+    try:
         import tensorflow as tf
         tfWorking = 1
-except:
+    except:
         print("Could not load tensorflow model :/")
         tfWorking = 0
 
@@ -141,11 +142,11 @@ def generate():
     
 
     if request.method == 'POST' and form.validate_on_submit():
-        result = gen.sample(form.n.data)
         print(tfWorking)
         if tfWorking == 0:
             flash("Failed to initialise the model!","danger")
         else:
+            result = gen.sample(form.n.data)
             return render_template('generate.html',expName=j["exp_name"],epochs=j["num_epochs"],optimizer=j["optimizer"].capitalize(), form=form,result=result)
 
     return render_template('generate.html',expName=j["exp_name"],epochs=j["num_epochs"],optimizer=j["optimizer"].capitalize(), form=form)