Add missing imports and variable definitions

doc/python/3d-mesh.md

@@ -154,6 +154,8 @@ Whereas the previous example used the default `intensitymode='vertex'`, we plot
 
 ```python
 import plotly.graph_objects as go
+import numpy as np
+
 fig = go.Figure(data=[
     go.Mesh3d(
         # 8 vertices of a cube

doc/python/axes.md

@@ -118,7 +118,7 @@ The PX `labels` argument can also be used without a data frame argument:
 
 ```python
 import plotly.express as px
-fig = px.bar(df, x=["Apples", "Oranges"], y=[10,20], color=["Here", "There"],
+fig = px.bar(x=["Apples", "Oranges"], y=[10,20], color=["Here", "There"],
     labels=dict(x="Fruit", y="Amount", color="Place")
 )
 fig.show()
@@ -460,6 +460,7 @@ Here, `ticklabelstandoff=15` moves the labels 15 pixels further away from the x-
 
 ```python
 import plotly.express as px
+import pandas as pd
 
 df = pd.read_csv('https://raw.githubusercontent.com/plotly/datasets/master/finance-charts-apple.csv')
 
@@ -487,6 +488,7 @@ To draw the label for the minor tick before each major tick, set `ticklabelindex
 
 ```python
 import plotly.express as px
+import pandas as pd
 
 df = pd.read_csv('https://raw.githubusercontent.com/plotly/datasets/master/finance-charts-apple.csv')
 

doc/python/box-plots.md

@@ -448,6 +448,7 @@ fig.show()
 
 ```python
 import plotly.graph_objects as go
+import numpy as np
 
 x_data = ['Carmelo Anthony', 'Dwyane Wade',
           'Deron Williams', 'Brook Lopez',

doc/python/creating-and-updating-figures.md

@@ -206,6 +206,7 @@ fig.show()
 The `plotly.subplots.make_subplots()` function produces a graph object figure that is preconfigured with a grid of subplots that traces can be added to. The `add_trace()` function will be discussed more below.
 
 ```python
+import plotly.graph_objects as go
 from plotly.subplots import make_subplots
 
 fig = make_subplots(rows=1, cols=2)
@@ -260,6 +261,7 @@ fig.show()
 If a figure was created using `plotly.subplots.make_subplots()`, then supplying the `row` and `col` arguments to `add_trace()` can be used to add a trace to a particular subplot.
 
 ```python
+import plotly.graph_objects as go
 from plotly.subplots import make_subplots
 
 fig = make_subplots(rows=1, cols=2)
@@ -274,6 +276,7 @@ This also works for figures created by Plotly Express using the `facet_row` and
 
 ```python
 import plotly.express as px
+import plotly.graph_objects as go
 
 df = px.data.iris()
 

doc/python/imshow.md

@@ -274,6 +274,7 @@ fig.show()
 ### Displaying an image and the histogram of color values
 
 ```python
+import plotly.graph_objects as go
 from plotly.subplots import make_subplots
 from skimage import data
 img = data.chelsea()

doc/python/network-graphs.md

@@ -128,6 +128,8 @@ node_trace.text = node_text
 #### Create Network Graph
 
 ```python
+import plotly.graph_objects as go
+
 fig = go.Figure(data=[edge_trace, node_trace],
              layout=go.Layout(
                 title=dict(

doc/python/ohlc-charts.md

@@ -138,6 +138,8 @@ import plotly.graph_objects as go
 import pandas as pd
 from datetime import datetime
 
+df = pd.read_csv('https://raw.githubusercontent.com/plotly/datasets/master/finance-charts-apple.csv')
+
 hovertext=[]
 for i in range(len(df['AAPL.Open'])):
     hovertext.append('Open: '+str(df['AAPL.Open'][i])+'<br>Close: '+str(df['AAPL.Close'][i]))

doc/python/templates.md

@@ -389,6 +389,7 @@ Combining themes is also supported by Plotly Express
 
 ```python
 import plotly.io as pio
+import plotly.graph_objects as go
 import plotly.express as px
 
 pio.templates["draft"] = go.layout.Template(

doc/python/time-series.md

@@ -325,7 +325,7 @@ fig.show()
 ```
 
 ```python
-import plotly.graph_objects as go
+import plotly.express as px
 import pandas as pd
 df = pd.read_csv('https://raw.githubusercontent.com/plotly/datasets/master/finance-charts-apple.csv')